7+8s-4=8s+15-2s

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Solution for 7+8s-4=8s+15-2s equation:


Simplifying
7 + 8s + -4 = 8s + 15 + -2s

Reorder the terms:
7 + -4 + 8s = 8s + 15 + -2s

Combine like terms: 7 + -4 = 3
3 + 8s = 8s + 15 + -2s

Reorder the terms:
3 + 8s = 15 + 8s + -2s

Combine like terms: 8s + -2s = 6s
3 + 8s = 15 + 6s

Solving
3 + 8s = 15 + 6s

Solving for variable 's'.

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

Add '-6s' to each side of the equation.
3 + 8s + -6s = 15 + 6s + -6s

Combine like terms: 8s + -6s = 2s
3 + 2s = 15 + 6s + -6s

Combine like terms: 6s + -6s = 0
3 + 2s = 15 + 0
3 + 2s = 15

Add '-3' to each side of the equation.
3 + -3 + 2s = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 2s = 15 + -3
2s = 15 + -3

Combine like terms: 15 + -3 = 12
2s = 12

Divide each side by '2'.
s = 6

Simplifying
s = 6

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