7s-4s+4=25

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Solution for 7s-4s+4=25 equation: 


Simplifying
7s + -4s + 4 = 25

Reorder the terms:
4 + 7s + -4s = 25

Combine like terms: 7s + -4s = 3s
4 + 3s = 25

Solving
4 + 3s = 25

Solving for variable 's'.

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

Add '-4' to each side of the equation.
4 + -4 + 3s = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 3s = 25 + -4
3s = 25 + -4

Combine like terms: 25 + -4 = 21
3s = 21

Divide each side by '3'.
s = 7

Simplifying
s = 7

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