-72=4u+2u-18

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Solution for -72=4u+2u-18 equation:


Simplifying
-72 = 4u + 2u + -18

Reorder the terms:
-72 = -18 + 4u + 2u

Combine like terms: 4u + 2u = 6u
-72 = -18 + 6u

Solving
-72 = -18 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-72 + -6u = -18 + 6u + -6u

Combine like terms: 6u + -6u = 0
-72 + -6u = -18 + 0
-72 + -6u = -18

Add '72' to each side of the equation.
-72 + 72 + -6u = -18 + 72

Combine like terms: -72 + 72 = 0
0 + -6u = -18 + 72
-6u = -18 + 72

Combine like terms: -18 + 72 = 54
-6u = 54

Divide each side by '-6'.
u = -9

Simplifying
u = -9

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