7(s-3)+2(3s+6)=17

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Solution for 7(s-3)+2(3s+6)=17 equation:


Simplifying
7(s + -3) + 2(3s + 6) = 17

Reorder the terms:
7(-3 + s) + 2(3s + 6) = 17
(-3 * 7 + s * 7) + 2(3s + 6) = 17
(-21 + 7s) + 2(3s + 6) = 17

Reorder the terms:
-21 + 7s + 2(6 + 3s) = 17
-21 + 7s + (6 * 2 + 3s * 2) = 17
-21 + 7s + (12 + 6s) = 17

Reorder the terms:
-21 + 12 + 7s + 6s = 17

Combine like terms: -21 + 12 = -9
-9 + 7s + 6s = 17

Combine like terms: 7s + 6s = 13s
-9 + 13s = 17

Solving
-9 + 13s = 17

Solving for variable 's'.

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

Add '9' to each side of the equation.
-9 + 9 + 13s = 17 + 9

Combine like terms: -9 + 9 = 0
0 + 13s = 17 + 9
13s = 17 + 9

Combine like terms: 17 + 9 = 26
13s = 26

Divide each side by '13'.
s = 2

Simplifying
s = 2

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