9(4s-8)=-21+7s

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Solution for 9(4s-8)=-21+7s equation:


Simplifying
9(4s + -8) = -21 + 7s

Reorder the terms:
9(-8 + 4s) = -21 + 7s
(-8 * 9 + 4s * 9) = -21 + 7s
(-72 + 36s) = -21 + 7s

Solving
-72 + 36s = -21 + 7s

Solving for variable 's'.

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

Add '-7s' to each side of the equation.
-72 + 36s + -7s = -21 + 7s + -7s

Combine like terms: 36s + -7s = 29s
-72 + 29s = -21 + 7s + -7s

Combine like terms: 7s + -7s = 0
-72 + 29s = -21 + 0
-72 + 29s = -21

Add '72' to each side of the equation.
-72 + 72 + 29s = -21 + 72

Combine like terms: -72 + 72 = 0
0 + 29s = -21 + 72
29s = -21 + 72

Combine like terms: -21 + 72 = 51
29s = 51

Divide each side by '29'.
s = 1.75862069

Simplifying
s = 1.75862069

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