-15s+15-15=-18s-18-3

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Solution for -15s+15-15=-18s-18-3 equation:


Simplifying
-15s + 15 + -15 = -18s + -18 + -3

Reorder the terms:
15 + -15 + -15s = -18s + -18 + -3

Combine like terms: 15 + -15 = 0
0 + -15s = -18s + -18 + -3
-15s = -18s + -18 + -3

Reorder the terms:
-15s = -18 + -3 + -18s

Combine like terms: -18 + -3 = -21
-15s = -21 + -18s

Solving
-15s = -21 + -18s

Solving for variable 's'.

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

Add '18s' to each side of the equation.
-15s + 18s = -21 + -18s + 18s

Combine like terms: -15s + 18s = 3s
3s = -21 + -18s + 18s

Combine like terms: -18s + 18s = 0
3s = -21 + 0
3s = -21

Divide each side by '3'.
s = -7

Simplifying
s = -7

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