3s-7=12s-169

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Solution for 3s-7=12s-169 equation:


Simplifying
3s + -7 = 12s + -169

Reorder the terms:
-7 + 3s = 12s + -169

Reorder the terms:
-7 + 3s = -169 + 12s

Solving
-7 + 3s = -169 + 12s

Solving for variable 's'.

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

Add '-12s' to each side of the equation.
-7 + 3s + -12s = -169 + 12s + -12s

Combine like terms: 3s + -12s = -9s
-7 + -9s = -169 + 12s + -12s

Combine like terms: 12s + -12s = 0
-7 + -9s = -169 + 0
-7 + -9s = -169

Add '7' to each side of the equation.
-7 + 7 + -9s = -169 + 7

Combine like terms: -7 + 7 = 0
0 + -9s = -169 + 7
-9s = -169 + 7

Combine like terms: -169 + 7 = -162
-9s = -162

Divide each side by '-9'.
s = 18

Simplifying
s = 18

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