2(u-6)-8=-3(-7u+5)-9u

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Solution for 2(u-6)-8=-3(-7u+5)-9u equation:


Simplifying
2(u + -6) + -8 = -3(-7u + 5) + -9u

Reorder the terms:
2(-6 + u) + -8 = -3(-7u + 5) + -9u
(-6 * 2 + u * 2) + -8 = -3(-7u + 5) + -9u
(-12 + 2u) + -8 = -3(-7u + 5) + -9u

Reorder the terms:
-12 + -8 + 2u = -3(-7u + 5) + -9u

Combine like terms: -12 + -8 = -20
-20 + 2u = -3(-7u + 5) + -9u

Reorder the terms:
-20 + 2u = -3(5 + -7u) + -9u
-20 + 2u = (5 * -3 + -7u * -3) + -9u
-20 + 2u = (-15 + 21u) + -9u

Combine like terms: 21u + -9u = 12u
-20 + 2u = -15 + 12u

Solving
-20 + 2u = -15 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
-20 + 2u + -12u = -15 + 12u + -12u

Combine like terms: 2u + -12u = -10u
-20 + -10u = -15 + 12u + -12u

Combine like terms: 12u + -12u = 0
-20 + -10u = -15 + 0
-20 + -10u = -15

Add '20' to each side of the equation.
-20 + 20 + -10u = -15 + 20

Combine like terms: -20 + 20 = 0
0 + -10u = -15 + 20
-10u = -15 + 20

Combine like terms: -15 + 20 = 5
-10u = 5

Divide each side by '-10'.
u = -0.5

Simplifying
u = -0.5

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