8u-90=2u-18

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Solution for 8u-90=2u-18 equation:


Simplifying
8u + -90 = 2u + -18

Reorder the terms:
-90 + 8u = 2u + -18

Reorder the terms:
-90 + 8u = -18 + 2u

Solving
-90 + 8u = -18 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
-90 + 8u + -2u = -18 + 2u + -2u

Combine like terms: 8u + -2u = 6u
-90 + 6u = -18 + 2u + -2u

Combine like terms: 2u + -2u = 0
-90 + 6u = -18 + 0
-90 + 6u = -18

Add '90' to each side of the equation.
-90 + 90 + 6u = -18 + 90

Combine like terms: -90 + 90 = 0
0 + 6u = -18 + 90
6u = -18 + 90

Combine like terms: -18 + 90 = 72
6u = 72

Divide each side by '6'.
u = 12

Simplifying
u = 12

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