-s-7=-2s

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Solution for -s-7=-2s equation:


Simplifying
-1s + -7 = -2s

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

Solving
-7 + -1s = -2s

Solving for variable 's'.

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

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

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

Combine like terms: -2s + 2s = 0
-7 + 1s = 0

Add '7' to each side of the equation.
-7 + 7 + 1s = 0 + 7

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

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

Divide each side by '1'.
s = 7

Simplifying
s = 7

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