5s+7(40-2s)=140

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Solution for 5s+7(40-2s)=140 equation:


Simplifying
5s + 7(40 + -2s) = 140
5s + (40 * 7 + -2s * 7) = 140
5s + (280 + -14s) = 140

Reorder the terms:
280 + 5s + -14s = 140

Combine like terms: 5s + -14s = -9s
280 + -9s = 140

Solving
280 + -9s = 140

Solving for variable 's'.

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

Add '-280' to each side of the equation.
280 + -280 + -9s = 140 + -280

Combine like terms: 280 + -280 = 0
0 + -9s = 140 + -280
-9s = 140 + -280

Combine like terms: 140 + -280 = -140
-9s = -140

Divide each side by '-9'.
s = 15.55555556

Simplifying
s = 15.55555556

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