s*7-40=142

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Solution for s*7-40=142 equation:


Simplifying
s * 7 + -40 = 142

Reorder the terms for easier multiplication:
7s + -40 = 142

Reorder the terms:
-40 + 7s = 142

Solving
-40 + 7s = 142

Solving for variable 's'.

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

Add '40' to each side of the equation.
-40 + 40 + 7s = 142 + 40

Combine like terms: -40 + 40 = 0
0 + 7s = 142 + 40
7s = 142 + 40

Combine like terms: 142 + 40 = 182
7s = 182

Divide each side by '7'.
s = 26

Simplifying
s = 26

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