s*7-34=57

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Solution for s*7-34=57 equation:


Simplifying
s * 7 + -34 = 57

Reorder the terms for easier multiplication:
7s + -34 = 57

Reorder the terms:
-34 + 7s = 57

Solving
-34 + 7s = 57

Solving for variable 's'.

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

Add '34' to each side of the equation.
-34 + 34 + 7s = 57 + 34

Combine like terms: -34 + 34 = 0
0 + 7s = 57 + 34
7s = 57 + 34

Combine like terms: 57 + 34 = 91
7s = 91

Divide each side by '7'.
s = 13

Simplifying
s = 13

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