3(2u+7)=-12+8u

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Solution for 3(2u+7)=-12+8u equation:


Simplifying
3(2u + 7) = -12 + 8u

Reorder the terms:
3(7 + 2u) = -12 + 8u
(7 * 3 + 2u * 3) = -12 + 8u
(21 + 6u) = -12 + 8u

Solving
21 + 6u = -12 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
21 + 6u + -8u = -12 + 8u + -8u

Combine like terms: 6u + -8u = -2u
21 + -2u = -12 + 8u + -8u

Combine like terms: 8u + -8u = 0
21 + -2u = -12 + 0
21 + -2u = -12

Add '-21' to each side of the equation.
21 + -21 + -2u = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -2u = -12 + -21
-2u = -12 + -21

Combine like terms: -12 + -21 = -33
-2u = -33

Divide each side by '-2'.
u = 16.5

Simplifying
u = 16.5

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