5s-40=7s-12

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Solution for 5s-40=7s-12 equation:


Simplifying
5s + -40 = 7s + -12

Reorder the terms:
-40 + 5s = 7s + -12

Reorder the terms:
-40 + 5s = -12 + 7s

Solving
-40 + 5s = -12 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
-40 + 5s + -7s = -12 + 7s + -7s

Combine like terms: 5s + -7s = -2s
-40 + -2s = -12 + 7s + -7s

Combine like terms: 7s + -7s = 0
-40 + -2s = -12 + 0
-40 + -2s = -12

Add '40' to each side of the equation.
-40 + 40 + -2s = -12 + 40

Combine like terms: -40 + 40 = 0
0 + -2s = -12 + 40
-2s = -12 + 40

Combine like terms: -12 + 40 = 28
-2s = 28

Divide each side by '-2'.
s = -14

Simplifying
s = -14

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