7u+23=4u+8u-22

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Solution for 7u+23=4u+8u-22 equation:


Simplifying
7u + 23 = 4u + 8u + -22

Reorder the terms:
23 + 7u = 4u + 8u + -22

Reorder the terms:
23 + 7u = -22 + 4u + 8u

Combine like terms: 4u + 8u = 12u
23 + 7u = -22 + 12u

Solving
23 + 7u = -22 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
23 + 7u + -12u = -22 + 12u + -12u

Combine like terms: 7u + -12u = -5u
23 + -5u = -22 + 12u + -12u

Combine like terms: 12u + -12u = 0
23 + -5u = -22 + 0
23 + -5u = -22

Add '-23' to each side of the equation.
23 + -23 + -5u = -22 + -23

Combine like terms: 23 + -23 = 0
0 + -5u = -22 + -23
-5u = -22 + -23

Combine like terms: -22 + -23 = -45
-5u = -45

Divide each side by '-5'.
u = 9

Simplifying
u = 9

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