1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
fiasKO [112]
3 years ago
12

What are the steps to answer 3(d-8)-5=9(d+2)+1

Mathematics
1 answer:
Elena L [17]3 years ago
8 0
First expand 3\left(d-8\right)-5

\mathrm{Distribute\:parentheses\:using}:\ \:a\left(b+c\right)=ab+ac
Where\; a=3,\:b=d,\:c=-8

3\cdot \:d+3\left(-8\right) \ \textgreater \  \mathrm{Apply\:minus-plus\:rules} \ \textgreater \  +\left(-a\right)=-a \ \textgreater \  3d-3\cdot \:8

\mathrm{Multiply\:the\:numbers:}\:3\cdot \:8=24 \ \textgreater \  3d-24 \ \textgreater \  3d-24-5

\mathrm{Subtract\:the\:numbers:}\:-24-5=-29 \ \textgreater \  3d-29

Now expand 9\left(d+2\right)+1

\mathrm{Distribute\:parentheses\:using}:\ \:a\left(b+c\right)=ab+ac
Where\; a=9,\:b=d,\:c=2

9\cdot \:d+9\cdot \:2 \ \textgreater \  \mathrm{Multiply\:the\:numbers:}\:9\cdot \:2=18 \ \textgreater \  9d+18

9d+18+1 \ \textgreater \  \mathrm{Add\:the\:numbers:}\:18+1=19 \ \textgreater \  9d+19

Now we have 3d-29=9d+19

\mathrm{Add\:}29\mathrm{\:to\:both\:sides} \ \textgreater \  3d-29+29=9d+19+29 \ \textgreater \  \mathrm{Simplify}

3d=9d+48 \ \textgreater \  \mathrm{Subtract\:}9d\mathrm{\:from\:both\:sides} \ \textgreater \  3d-9d=9d+48-9d

Simplify\;again\; \ \textgreater \  -6d=48 \ \textgreater \  \mathrm{Divide\:both\:sides\:by\:}-6 \ \textgreater \  \frac{-6d}{-6}=\frac{48}{-6}

Simplify\;once\;more\;\ \textgreater \ d=-8

Hope this helps!
You might be interested in
Which expression is equivalent to 4/9×7?
Reika [66]
4 x 7 divided by 9. Set 7 equal to 7/1. Now you have 4/9 x 7/1. Multiply numerators and denominators
4 0
3 years ago
True or face dilations preserve angle measure
Ilia_Sergeevich [38]

Answer:

True

Step-by-step explanation:

Required

Does dilation preserve angle measure?

When a point, side, line, or angle is dilated; the length of the line will be altered by the ratio or scale of dilation.

However, the measure of angle will remain the same.

<em>Hence, the given statement is true.</em>

6 0
3 years ago
The difference of m and 2
sergejj [24]
Difference means you want to find the change between two, thus u subtract between both of it.

m-2
5 0
3 years ago
Read 2 more answers
Use the square roots property to solve equation (6x-7)/2+4=21
Ganezh [65]

Answer:

22\frac{1}{6}

Step-by-step explanation:

2+4=6

21X6=126

126+7=133

133/6= 22R1

5 0
3 years ago
You are baking cookies for your class. There are 23 total students in your class and you have baked 12 cookies. Write and solve
Kay [80]

Answer:

X=23(x2cookies per student)-12cookies

X=46-12cookies

X=34cookies

Where X is the additional amount of cookies to be baked.

7 0
3 years ago
Other questions:
  • If 12 gallons cost 31.08 how many gallons does 38.85 dollars cost?
    6·1 answer
  • Which is the dependent variable in the function 4x²-5/6x-9=y
    15·1 answer
  • Write an equation in slope form of the line through point j (-6,6) with the slope -2
    11·1 answer
  • The area of the figure is _______ square units.
    13·2 answers
  • (-8ab+7a-5)-(-7ab+2)<br><br> find the difference
    6·2 answers
  • the amount of paint a painter needs is directly proportional to the area of the object he is painting. if a painter needs g gall
    12·1 answer
  • Find the volume of a right circular cone has a height of 5.6 m and a base with a radius of 16.6 m
    14·2 answers
  • Given f(x) = 2x +1 and g(x) = x – 3 which of
    9·1 answer
  • PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
    15·2 answers
  • Write the equation of the line in slope intercept form.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!