7(u+6)=-4(5u-9)+9u

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Solution for 7(u+6)=-4(5u-9)+9u equation:


Simplifying
7(u + 6) = -4(5u + -9) + 9u

Reorder the terms:
7(6 + u) = -4(5u + -9) + 9u
(6 * 7 + u * 7) = -4(5u + -9) + 9u
(42 + 7u) = -4(5u + -9) + 9u

Reorder the terms:
42 + 7u = -4(-9 + 5u) + 9u
42 + 7u = (-9 * -4 + 5u * -4) + 9u
42 + 7u = (36 + -20u) + 9u

Combine like terms: -20u + 9u = -11u
42 + 7u = 36 + -11u

Solving
42 + 7u = 36 + -11u

Solving for variable 'u'.

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

Add '11u' to each side of the equation.
42 + 7u + 11u = 36 + -11u + 11u

Combine like terms: 7u + 11u = 18u
42 + 18u = 36 + -11u + 11u

Combine like terms: -11u + 11u = 0
42 + 18u = 36 + 0
42 + 18u = 36

Add '-42' to each side of the equation.
42 + -42 + 18u = 36 + -42

Combine like terms: 42 + -42 = 0
0 + 18u = 36 + -42
18u = 36 + -42

Combine like terms: 36 + -42 = -6
18u = -6

Divide each side by '18'.
u = -0.3333333333

Simplifying
u = -0.3333333333

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