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

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


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

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

Combine like terms: 8 + -7 = 1
1 + 2s = 7s + 7 + -4s

Reorder the terms:
1 + 2s = 7 + 7s + -4s

Combine like terms: 7s + -4s = 3s
1 + 2s = 7 + 3s

Solving
1 + 2s = 7 + 3s

Solving for variable 's'.

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

Add '-3s' to each side of the equation.
1 + 2s + -3s = 7 + 3s + -3s

Combine like terms: 2s + -3s = -1s
1 + -1s = 7 + 3s + -3s

Combine like terms: 3s + -3s = 0
1 + -1s = 7 + 0
1 + -1s = 7

Add '-1' to each side of the equation.
1 + -1 + -1s = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -1s = 7 + -1
-1s = 7 + -1

Combine like terms: 7 + -1 = 6
-1s = 6

Divide each side by '-1'.
s = -6

Simplifying
s = -6

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