10u+7=8(2u-4)-4

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Solution for 10u+7=8(2u-4)-4 equation:


Simplifying
10u + 7 = 8(2u + -4) + -4

Reorder the terms:
7 + 10u = 8(2u + -4) + -4

Reorder the terms:
7 + 10u = 8(-4 + 2u) + -4
7 + 10u = (-4 * 8 + 2u * 8) + -4
7 + 10u = (-32 + 16u) + -4

Reorder the terms:
7 + 10u = -32 + -4 + 16u

Combine like terms: -32 + -4 = -36
7 + 10u = -36 + 16u

Solving
7 + 10u = -36 + 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.
7 + 10u + -16u = -36 + 16u + -16u

Combine like terms: 10u + -16u = -6u
7 + -6u = -36 + 16u + -16u

Combine like terms: 16u + -16u = 0
7 + -6u = -36 + 0
7 + -6u = -36

Add '-7' to each side of the equation.
7 + -7 + -6u = -36 + -7

Combine like terms: 7 + -7 = 0
0 + -6u = -36 + -7
-6u = -36 + -7

Combine like terms: -36 + -7 = -43
-6u = -43

Divide each side by '-6'.
u = 7.166666667

Simplifying
u = 7.166666667

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