3s+5(s+7)=99

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Solution for 3s+5(s+7)=99 equation:


Simplifying
3s + 5(s + 7) = 99

Reorder the terms:
3s + 5(7 + s) = 99
3s + (7 * 5 + s * 5) = 99
3s + (35 + 5s) = 99

Reorder the terms:
35 + 3s + 5s = 99

Combine like terms: 3s + 5s = 8s
35 + 8s = 99

Solving
35 + 8s = 99

Solving for variable 's'.

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

Add '-35' to each side of the equation.
35 + -35 + 8s = 99 + -35

Combine like terms: 35 + -35 = 0
0 + 8s = 99 + -35
8s = 99 + -35

Combine like terms: 99 + -35 = 64
8s = 64

Divide each side by '8'.
s = 8

Simplifying
s = 8

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