-s+2s-4=13

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Solution for -s+2s-4=13 equation:


Simplifying
-1s + 2s + -4 = 13

Reorder the terms:
-4 + -1s + 2s = 13

Combine like terms: -1s + 2s = 1s
-4 + 1s = 13

Solving
-4 + 1s = 13

Solving for variable 's'.

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

Add '4' to each side of the equation.
-4 + 4 + 1s = 13 + 4

Combine like terms: -4 + 4 = 0
0 + 1s = 13 + 4
1s = 13 + 4

Combine like terms: 13 + 4 = 17
1s = 17

Divide each side by '1'.
s = 17

Simplifying
s = 17

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