-7(-s+9)+3(-5+2s)=

Solution for -7(-s+9)+3(-5+2s)= equation:

Simplifying
-7(-1s + 9) + 3(-5 + 2s) = 0

Reorder the terms:
-7(9 + -1s) + 3(-5 + 2s) = 0
(9 * -7 + -1s * -7) + 3(-5 + 2s) = 0
(-63 + 7s) + 3(-5 + 2s) = 0
-63 + 7s + (-5 * 3 + 2s * 3) = 0
-63 + 7s + (-15 + 6s) = 0

Reorder the terms:
-63 + -15 + 7s + 6s = 0

Combine like terms: -63 + -15 = -78
-78 + 7s + 6s = 0

Combine like terms: 7s + 6s = 13s
-78 + 13s = 0

Solving
-78 + 13s = 0

Solving for variable 's'.

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

Add '78' to each side of the equation.
-78 + 78 + 13s = 0 + 78

Combine like terms: -78 + 78 = 0
0 + 13s = 0 + 78
13s = 0 + 78

Combine like terms: 0 + 78 = 78
13s = 78

Divide each side by '13'.
s = 6

Simplifying
s = 6