2u+12=7u-8

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


Simplifying
2u + 12 = 7u + -8

Reorder the terms:
12 + 2u = 7u + -8

Reorder the terms:
12 + 2u = -8 + 7u

Solving
12 + 2u = -8 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
12 + 2u + -7u = -8 + 7u + -7u

Combine like terms: 2u + -7u = -5u
12 + -5u = -8 + 7u + -7u

Combine like terms: 7u + -7u = 0
12 + -5u = -8 + 0
12 + -5u = -8

Add '-12' to each side of the equation.
12 + -12 + -5u = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -5u = -8 + -12
-5u = -8 + -12

Combine like terms: -8 + -12 = -20
-5u = -20

Divide each side by '-5'.
u = 4

Simplifying
u = 4

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