7u-12=4u+18

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Solution for 7u-12=4u+18 equation:


Simplifying
7u + -12 = 4u + 18

Reorder the terms:
-12 + 7u = 4u + 18

Reorder the terms:
-12 + 7u = 18 + 4u

Solving
-12 + 7u = 18 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-12 + 7u + -4u = 18 + 4u + -4u

Combine like terms: 7u + -4u = 3u
-12 + 3u = 18 + 4u + -4u

Combine like terms: 4u + -4u = 0
-12 + 3u = 18 + 0
-12 + 3u = 18

Add '12' to each side of the equation.
-12 + 12 + 3u = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 3u = 18 + 12
3u = 18 + 12

Combine like terms: 18 + 12 = 30
3u = 30

Divide each side by '3'.
u = 10

Simplifying
u = 10

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