100+7=8(2u-4)-9

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Solution for 100+7=8(2u-4)-9 equation:


Simplifying
100 + 7 = 8(2u + -4) + -9

Combine like terms: 100 + 7 = 107
107 = 8(2u + -4) + -9

Reorder the terms:
107 = 8(-4 + 2u) + -9
107 = (-4 * 8 + 2u * 8) + -9
107 = (-32 + 16u) + -9

Reorder the terms:
107 = -32 + -9 + 16u

Combine like terms: -32 + -9 = -41
107 = -41 + 16u

Solving
107 = -41 + 16u

Solving for variable 'u'.

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

Add '-16u' to each side of the equation.
107 + -16u = -41 + 16u + -16u

Combine like terms: 16u + -16u = 0
107 + -16u = -41 + 0
107 + -16u = -41

Add '-107' to each side of the equation.
107 + -107 + -16u = -41 + -107

Combine like terms: 107 + -107 = 0
0 + -16u = -41 + -107
-16u = -41 + -107

Combine like terms: -41 + -107 = -148
-16u = -148

Divide each side by '-16'.
u = 9.25

Simplifying
u = 9.25

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