-15+7s=-8(4s+9)

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Solution for -15+7s=-8(4s+9) equation:


Simplifying
-15 + 7s = -8(4s + 9)

Reorder the terms:
-15 + 7s = -8(9 + 4s)
-15 + 7s = (9 * -8 + 4s * -8)
-15 + 7s = (-72 + -32s)

Solving
-15 + 7s = -72 + -32s

Solving for variable 's'.

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

Add '32s' to each side of the equation.
-15 + 7s + 32s = -72 + -32s + 32s

Combine like terms: 7s + 32s = 39s
-15 + 39s = -72 + -32s + 32s

Combine like terms: -32s + 32s = 0
-15 + 39s = -72 + 0
-15 + 39s = -72

Add '15' to each side of the equation.
-15 + 15 + 39s = -72 + 15

Combine like terms: -15 + 15 = 0
0 + 39s = -72 + 15
39s = -72 + 15

Combine like terms: -72 + 15 = -57
39s = -57

Divide each side by '39'.
s = -1.461538462

Simplifying
s = -1.461538462

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