s-(-7)=20

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Solution for s-(-7)=20 equation: 


Simplifying
s + -1(-7) = 20

Multiply -1 * -7
s + 7 = 20

Reorder the terms:
7 + s = 20

Solving
7 + s = 20

Solving for variable 's'.

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

Add '-7' to each side of the equation.
7 + -7 + s = 20 + -7

Combine like terms: 7 + -7 = 0
0 + s = 20 + -7
s = 20 + -7

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

Simplifying
s = 13

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