-7u-8=5(u-4)

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Solution for -7u-8=5(u-4) equation:


Simplifying
-7u + -8 = 5(u + -4)

Reorder the terms:
-8 + -7u = 5(u + -4)

Reorder the terms:
-8 + -7u = 5(-4 + u)
-8 + -7u = (-4 * 5 + u * 5)
-8 + -7u = (-20 + 5u)

Solving
-8 + -7u = -20 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-8 + -7u + -5u = -20 + 5u + -5u

Combine like terms: -7u + -5u = -12u
-8 + -12u = -20 + 5u + -5u

Combine like terms: 5u + -5u = 0
-8 + -12u = -20 + 0
-8 + -12u = -20

Add '8' to each side of the equation.
-8 + 8 + -12u = -20 + 8

Combine like terms: -8 + 8 = 0
0 + -12u = -20 + 8
-12u = -20 + 8

Combine like terms: -20 + 8 = -12
-12u = -12

Divide each side by '-12'.
u = 1

Simplifying
u = 1

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