7(u-3)-3=-5(-4u+8)-7u

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Solution for 7(u-3)-3=-5(-4u+8)-7u equation:


Simplifying
7(u + -3) + -3 = -5(-4u + 8) + -7u

Reorder the terms:
7(-3 + u) + -3 = -5(-4u + 8) + -7u
(-3 * 7 + u * 7) + -3 = -5(-4u + 8) + -7u
(-21 + 7u) + -3 = -5(-4u + 8) + -7u

Reorder the terms:
-21 + -3 + 7u = -5(-4u + 8) + -7u

Combine like terms: -21 + -3 = -24
-24 + 7u = -5(-4u + 8) + -7u

Reorder the terms:
-24 + 7u = -5(8 + -4u) + -7u
-24 + 7u = (8 * -5 + -4u * -5) + -7u
-24 + 7u = (-40 + 20u) + -7u

Combine like terms: 20u + -7u = 13u
-24 + 7u = -40 + 13u

Solving
-24 + 7u = -40 + 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
-24 + 7u + -13u = -40 + 13u + -13u

Combine like terms: 7u + -13u = -6u
-24 + -6u = -40 + 13u + -13u

Combine like terms: 13u + -13u = 0
-24 + -6u = -40 + 0
-24 + -6u = -40

Add '24' to each side of the equation.
-24 + 24 + -6u = -40 + 24

Combine like terms: -24 + 24 = 0
0 + -6u = -40 + 24
-6u = -40 + 24

Combine like terms: -40 + 24 = -16
-6u = -16

Divide each side by '-6'.
u = 2.666666667

Simplifying
u = 2.666666667

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