3(s+5)-5s=7

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Solution for 3(s+5)-5s=7 equation: 


Simplifying
3(s + 5) + -5s = 7

Reorder the terms:
3(5 + s) + -5s = 7
(5 * 3 + s * 3) + -5s = 7
(15 + 3s) + -5s = 7

Combine like terms: 3s + -5s = -2s
15 + -2s = 7

Solving
15 + -2s = 7

Solving for variable 's'.

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

Add '-15' to each side of the equation.
15 + -15 + -2s = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -2s = 7 + -15
-2s = 7 + -15

Combine like terms: 7 + -15 = -8
-2s = -8

Divide each side by '-2'.
s = 4

Simplifying
s = 4

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