7+8s-4=7s+9-2s

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Solution for 7+8s-4=7s+9-2s equation:


Simplifying
7 + 8s + -4 = 7s + 9 + -2s

Reorder the terms:
7 + -4 + 8s = 7s + 9 + -2s

Combine like terms: 7 + -4 = 3
3 + 8s = 7s + 9 + -2s

Reorder the terms:
3 + 8s = 9 + 7s + -2s

Combine like terms: 7s + -2s = 5s
3 + 8s = 9 + 5s

Solving
3 + 8s = 9 + 5s

Solving for variable 's'.

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

Add '-5s' to each side of the equation.
3 + 8s + -5s = 9 + 5s + -5s

Combine like terms: 8s + -5s = 3s
3 + 3s = 9 + 5s + -5s

Combine like terms: 5s + -5s = 0
3 + 3s = 9 + 0
3 + 3s = 9

Add '-3' to each side of the equation.
3 + -3 + 3s = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 3s = 9 + -3
3s = 9 + -3

Combine like terms: 9 + -3 = 6
3s = 6

Divide each side by '3'.
s = 2

Simplifying
s = 2

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