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
astraxan [27]
3 years ago
7

Expand and simplify the equation 5(m+2)+9(n+4)

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Answer: 5.4

Step-by-step explanation:3 (m-2)-5=8-2 (m-4)

Simplifying

3(m + -2) + -5 = 8 + -2(m + -4)

Reorder the terms:

3(-2 + m) + -5 = 8 + -2(m + -4)

(-2 * 3 + m * 3) + -5 = 8 + -2(m + -4)

(-6 + 3m) + -5 = 8 + -2(m + -4)

Reorder the terms:

-6 + -5 + 3m = 8 + -2(m + -4)

Combine like terms: -6 + -5 = -11

-11 + 3m = 8 + -2(m + -4)

Reorder the terms:

-11 + 3m = 8 + -2(-4 + m)

-11 + 3m = 8 + (-4 * -2 + m * -2)

-11 + 3m = 8 + (8 + -2m)

Combine like terms: 8 + 8 = 16

-11 + 3m = 16 + -2m

Solving

-11 + 3m = 16 + -2m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '2m' to each side of the equation.

-11 + 3m + 2m = 16 + -2m + 2m

Combine like terms: 3m + 2m = 5m

-11 + 5m = 16 + -2m + 2m

Combine like terms: -2m + 2m = 0

-11 + 5m = 16 + 0

-11 + 5m = 16

Add '11' to each side of the equation.

-11 + 11 + 5m = 16 + 11

Combine like terms: -11 + 11 = 0

0 + 5m = 16 + 11

5m = 16 + 11

Combine like terms: 16 + 11 = 27

5m = 27

Divide each side by '5'.

m = 5.4

Simplifying

m = 5.4

You might be interested in
Linda enrolls for 10 credit-hours for each of two semesters at a cost of $500 per credit-hour (tuition and fees). In addition, t
kodGreya [7K]
I agree with the other answer
3 0
3 years ago
A set of data is shown
nata0808 [166]
I think it is B because it isn’t a solid line and it’s going up
3 0
3 years ago
NEED HELP <br><br> Work out the value of 4y+3x when x=5 and y=-3<br><br> Thanks
wel

Hey there!

“4y + 3x”

If x = 5 and y = -3, then substitute it into the equation

4(-3) + 3(5)

4(-3) = -12

-12 + 3(5)

3(5) = 15

-12 + 15

= 3

Answer: 3

Good luck on your assignment and enjoy your day!

~Amphitrite140:)

4 0
3 years ago
Given the following image, find the angle of rotation and the number of times each figure can rotate.​
Dmitriy789 [7]

Rotated: The figure can be rotated  2  times.  Angle of Rotation:  180 ∘

7 0
2 years ago
What is 3774 divided by 37
Strike441 [17]
102 thts the anwser ur welcome
6 0
3 years ago
Other questions:
  • The number line shows the graph of an inequality:
    9·1 answer
  • PLEASE HELP FAST ILL GIVE 5 STARS!!!!
    12·2 answers
  • Write the decimal as a fraction 0.272727
    13·1 answer
  • Find the area of a regular hexagon with the given measurement. 6-inch radius
    15·2 answers
  • Is s=28-8t proportional
    15·1 answer
  • Find the measure of an angle such that the difference between the measures of its supplement and three times its complement is 6
    12·1 answer
  • What is the product of 2.17 and 1.5
    8·2 answers
  • PLEASE HELP ASAP OR ELSE ILL FAIL
    10·1 answer
  • Which of these choices show a pair of equivalent expressions? CHECK ALL THAT APPLY
    12·1 answer
  • Expand the function f(x)=(x+5)^3
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!