-s+7-(-1-3s)=

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Solution for -s+7-(-1-3s)= equation:


Simplifying
-1s + 7 + -1(-1 + -3s) = 0
-1s + 7 + (-1 * -1 + -3s * -1) = 0
-1s + 7 + (1 + 3s) = 0

Reorder the terms:
7 + 1 + -1s + 3s = 0

Combine like terms: 7 + 1 = 8
8 + -1s + 3s = 0

Combine like terms: -1s + 3s = 2s
8 + 2s = 0

Solving
8 + 2s = 0

Solving for variable 's'.

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

Add '-8' to each side of the equation.
8 + -8 + 2s = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2s = 0 + -8
2s = 0 + -8

Combine like terms: 0 + -8 = -8
2s = -8

Divide each side by '2'.
s = -4

Simplifying
s = -4

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