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skad [1K]
3 years ago
15

1/2(4x+13)=6(x+7) need to know the justification steps and solve

Mathematics
1 answer:
slamgirl [31]3 years ago
8 0
Distribute both numbers from the outside of the parenthesis and multiply that by the the number inside the parenthesis. So 1/2(4x+13) means that you have to multiply 1/2 by 4 and 1/2 by 13. 2x+6.5=6(x+7). On the other side, 6(x+7) do the same thing multiply 6 by x and 6 by 7. 2x+6.5=6x+42 Now thats done, move the "like terms" on the same side. So 2x will move to the other side of the equation while 42 will move the other side of the equation. 4x= -35.5 now divide -35.5 by 4 to find x. -8.875 is what x equals.  I hope this helps you! You can also check if the x your found was correct.
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30 points!!!!!
schepotkina [342]
Rational Numbers :
3 _/ 25 
_/ 256
-11/151

Irrational Numbers: 
1.1625
_/ 141

Hope this helped, comment below for any clarification // Brainliest please ;) //
8 0
4 years ago
Read 2 more answers
Question 10 of 10
pychu [463]

Answer:

y=4x−14

Step-by-step explanation:

solve for y.

y+2=4(x−3)

distribute 4

y+2=4x-12

subtract 2 from both sides

y+2+−2=4x−12+−2

y=4x−14

Answer:

y=4x−14

5 0
3 years ago
13) BRAINLIEST &10+ POINTS!
Sphinxa [80]

Answer:

- 220° and 500°

Step-by-step explanation:

To find the coterminal angles add / subtract 360°, that is

140° - 360° = - 220°

140° + 360° = 500°

7 0
4 years ago
The length of the side of square a is twice the length of the side of square b. What is the ratio of the area of square a to the
Sergio039 [100]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ As you can tell, the ratio of the lengths is 2 : 1 (the length of a is twice the length of b)

The ratio for area would be the squared version of the length ratio

2^2 = 4

1^1 = 1

The ratio for area is 4 : 1

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
Help w 16 please. i will mark u brainliest
expeople1 [14]
(2x-2)+(15x+29)=180
17x+27=180
17x=180-27
17x=153
x=153/17 = 9

Answer is D
5 0
3 years ago
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