15=s-(-4)

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Solution for 15=s-(-4) equation:


Simplifying
15 = s + -1(-4)

Multiply -1 * -4
15 = s + 4

Reorder the terms:
15 = 4 + s

Solving
15 = 4 + 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.
15 + -1s = 4 + s + -1s

Combine like terms: s + -1s = 0
15 + -1s = 4 + 0
15 + -1s = 4

Add '-15' to each side of the equation.
15 + -15 + -1s = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -1s = 4 + -15
-1s = 4 + -15

Combine like terms: 4 + -15 = -11
-1s = -11

Divide each side by '-1'.
s = 11

Simplifying
s = 11

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