3 years ago

3/4w+8=1/3w-7 find value of w

1 answer:

4 0

3 / 4 w + 8 = 1 / 3 w - 7

Multiply by LCD = 4 ( w + 2 )(3w - 7)

3(3w-7) = 4(w + 2)

3*3w - 3*7 = 4 * w + 4 * 2

9 w - 21 = 4 w + 8

Add 21 to both sides :

9w - 21 + 21 = 4w + 8+ 21

9w = 4w + 29

9w - 4w = 29

5 w = 29

Divide both sides by 5 :

5 w / 5 = 29 / 5

w = 29 / 5

hope this helps!

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