7s+100=15s-100

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Solution for 7s+100=15s-100 equation:


Simplifying
7s + 100 = 15s + -100

Reorder the terms:
100 + 7s = 15s + -100

Reorder the terms:
100 + 7s = -100 + 15s

Solving
100 + 7s = -100 + 15s

Solving for variable 's'.

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

Add '-15s' to each side of the equation.
100 + 7s + -15s = -100 + 15s + -15s

Combine like terms: 7s + -15s = -8s
100 + -8s = -100 + 15s + -15s

Combine like terms: 15s + -15s = 0
100 + -8s = -100 + 0
100 + -8s = -100

Add '-100' to each side of the equation.
100 + -100 + -8s = -100 + -100

Combine like terms: 100 + -100 = 0
0 + -8s = -100 + -100
-8s = -100 + -100

Combine like terms: -100 + -100 = -200
-8s = -200

Divide each side by '-8'.
s = 25

Simplifying
s = 25

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