-7(-2+9)-3u=5(u-8)-8

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Solution for -7(-2+9)-3u=5(u-8)-8 equation:


Simplifying
-7(-2 + 9) + -3u = 5(u + -8) + -8

Combine like terms: -2 + 9 = 7
-7(7) + -3u = 5(u + -8) + -8

Multiply -7 * 7
-49 + -3u = 5(u + -8) + -8

Reorder the terms:
-49 + -3u = 5(-8 + u) + -8
-49 + -3u = (-8 * 5 + u * 5) + -8
-49 + -3u = (-40 + 5u) + -8

Reorder the terms:
-49 + -3u = -40 + -8 + 5u

Combine like terms: -40 + -8 = -48
-49 + -3u = -48 + 5u

Solving
-49 + -3u = -48 + 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.
-49 + -3u + -5u = -48 + 5u + -5u

Combine like terms: -3u + -5u = -8u
-49 + -8u = -48 + 5u + -5u

Combine like terms: 5u + -5u = 0
-49 + -8u = -48 + 0
-49 + -8u = -48

Add '49' to each side of the equation.
-49 + 49 + -8u = -48 + 49

Combine like terms: -49 + 49 = 0
0 + -8u = -48 + 49
-8u = -48 + 49

Combine like terms: -48 + 49 = 1
-8u = 1

Divide each side by '-8'.
u = -0.125

Simplifying
u = -0.125

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