-13=7+s

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Solution for -13=7+s equation:


Simplifying
-13 = 7 + s

Solving
-13 = 7 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-13 + -1s = 7 + s + -1s

Combine like terms: s + -1s = 0
-13 + -1s = 7 + 0
-13 + -1s = 7

Add '13' to each side of the equation.
-13 + 13 + -1s = 7 + 13

Combine like terms: -13 + 13 = 0
0 + -1s = 7 + 13
-1s = 7 + 13

Combine like terms: 7 + 13 = 20
-1s = 20

Divide each side by '-1'.
s = -20

Simplifying
s = -20

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