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

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


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

Reorder the terms:
7(5 + u) = -7(2u + -3) + 9u
(5 * 7 + u * 7) = -7(2u + -3) + 9u
(35 + 7u) = -7(2u + -3) + 9u

Reorder the terms:
35 + 7u = -7(-3 + 2u) + 9u
35 + 7u = (-3 * -7 + 2u * -7) + 9u
35 + 7u = (21 + -14u) + 9u

Combine like terms: -14u + 9u = -5u
35 + 7u = 21 + -5u

Solving
35 + 7u = 21 + -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.
35 + 7u + 5u = 21 + -5u + 5u

Combine like terms: 7u + 5u = 12u
35 + 12u = 21 + -5u + 5u

Combine like terms: -5u + 5u = 0
35 + 12u = 21 + 0
35 + 12u = 21

Add '-35' to each side of the equation.
35 + -35 + 12u = 21 + -35

Combine like terms: 35 + -35 = 0
0 + 12u = 21 + -35
12u = 21 + -35

Combine like terms: 21 + -35 = -14
12u = -14

Divide each side by '12'.
u = -1.166666667

Simplifying
u = -1.166666667

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