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Irina-Kira [14]
4 years ago
7

I need help on this question ASAP 5x-5=x+15

Mathematics
2 answers:
jonny [76]4 years ago
7 0

5x - 5 = x + 15

add 5 to both sides

5x = x + 20

subtract x from both sides

4x = 20

divide both sides by 4

x = 5

DedPeter [7]4 years ago
5 0
5x-5=x+15. subtract the x to the other side of the equation.
4x-5=15 add 5 to the 15 on the other side
4x=15 since your trying ro isolate x, dive 20 by the 4.
x=5
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