12u+19+12u=7(4u+12)-9

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Solution for 12u+19+12u=7(4u+12)-9 equation:


Simplifying
12u + 19 + 12u = 7(4u + 12) + -9

Reorder the terms:
19 + 12u + 12u = 7(4u + 12) + -9

Combine like terms: 12u + 12u = 24u
19 + 24u = 7(4u + 12) + -9

Reorder the terms:
19 + 24u = 7(12 + 4u) + -9
19 + 24u = (12 * 7 + 4u * 7) + -9
19 + 24u = (84 + 28u) + -9

Reorder the terms:
19 + 24u = 84 + -9 + 28u

Combine like terms: 84 + -9 = 75
19 + 24u = 75 + 28u

Solving
19 + 24u = 75 + 28u

Solving for variable 'u'.

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

Add '-28u' to each side of the equation.
19 + 24u + -28u = 75 + 28u + -28u

Combine like terms: 24u + -28u = -4u
19 + -4u = 75 + 28u + -28u

Combine like terms: 28u + -28u = 0
19 + -4u = 75 + 0
19 + -4u = 75

Add '-19' to each side of the equation.
19 + -19 + -4u = 75 + -19

Combine like terms: 19 + -19 = 0
0 + -4u = 75 + -19
-4u = 75 + -19

Combine like terms: 75 + -19 = 56
-4u = 56

Divide each side by '-4'.
u = -14

Simplifying
u = -14

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