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Svetach [21]
3 years ago
10

How do you solve this absolute value equation ? |x + 7| = 3x - 5

Mathematics
2 answers:
Katarina [22]3 years ago
6 0

Answer:

x=6

Step-by-step explanation:

x+7=3x-5

add 5 to both sides

x+12=3x

subtract x from both sides

12=2x

divide by 2 on both sides

6=x

RUDIKE [14]3 years ago
5 0
Hope this helps :) X=6

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JK=2X KL=X+2 and JK=5X-10
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JK + KL = JL

JK = 2x, KL = x + 2, JL = 5x - 10

therefore we heve the equation:

2x + (x + 2) = 5x - 10

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3x = 5x - 12 |-5x

-2x = -12 |:(-2)

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