30-15s=-3s+18

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Solution for 30-15s=-3s+18 equation:


Simplifying
30 + -15s = -3s + 18

Reorder the terms:
30 + -15s = 18 + -3s

Solving
30 + -15s = 18 + -3s

Solving for variable 's'.

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

Add '3s' to each side of the equation.
30 + -15s + 3s = 18 + -3s + 3s

Combine like terms: -15s + 3s = -12s
30 + -12s = 18 + -3s + 3s

Combine like terms: -3s + 3s = 0
30 + -12s = 18 + 0
30 + -12s = 18

Add '-30' to each side of the equation.
30 + -30 + -12s = 18 + -30

Combine like terms: 30 + -30 = 0
0 + -12s = 18 + -30
-12s = 18 + -30

Combine like terms: 18 + -30 = -12
-12s = -12

Divide each side by '-12'.
s = 1

Simplifying
s = 1

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