2(s+5)-7=9

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Solution for 2(s+5)-7=9 equation:


Simplifying
2(s + 5) + -7 = 9

Reorder the terms:
2(5 + s) + -7 = 9
(5 * 2 + s * 2) + -7 = 9
(10 + 2s) + -7 = 9

Reorder the terms:
10 + -7 + 2s = 9

Combine like terms: 10 + -7 = 3
3 + 2s = 9

Solving
3 + 2s = 9

Solving for variable 's'.

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

Add '-3' to each side of the equation.
3 + -3 + 2s = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 2s = 9 + -3
2s = 9 + -3

Combine like terms: 9 + -3 = 6
2s = 6

Divide each side by '2'.
s = 3

Simplifying
s = 3

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