3(u-6)=7u+18

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Solution for 3(u-6)=7u+18 equation:


Simplifying
3(u + -6) = 7u + 18

Reorder the terms:
3(-6 + u) = 7u + 18
(-6 * 3 + u * 3) = 7u + 18
(-18 + 3u) = 7u + 18

Reorder the terms:
-18 + 3u = 18 + 7u

Solving
-18 + 3u = 18 + 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.
-18 + 3u + -7u = 18 + 7u + -7u

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

Combine like terms: 7u + -7u = 0
-18 + -4u = 18 + 0
-18 + -4u = 18

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

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

Combine like terms: 18 + 18 = 36
-4u = 36

Divide each side by '-4'.
u = -9

Simplifying
u = -9

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