25-12+25=4s-12

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Solution for 25-12+25=4s-12 equation: 


Simplifying
25 + -12 + 25 = 4s + -12

Combine like terms: 25 + -12 = 13
13 + 25 = 4s + -12

Combine like terms: 13 + 25 = 38
38 = 4s + -12

Reorder the terms:
38 = -12 + 4s

Solving
38 = -12 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
38 + -4s = -12 + 4s + -4s

Combine like terms: 4s + -4s = 0
38 + -4s = -12 + 0
38 + -4s = -12

Add '-38' to each side of the equation.
38 + -38 + -4s = -12 + -38

Combine like terms: 38 + -38 = 0
0 + -4s = -12 + -38
-4s = -12 + -38

Combine like terms: -12 + -38 = -50
-4s = -50

Divide each side by '-4'.
s = 12.5

Simplifying
s = 12.5

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