-8u+15=-4u+7

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Solution for -8u+15=-4u+7 equation:


Simplifying
-8u + 15 = -4u + 7

Reorder the terms:
15 + -8u = -4u + 7

Reorder the terms:
15 + -8u = 7 + -4u

Solving
15 + -8u = 7 + -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.
15 + -8u + 4u = 7 + -4u + 4u

Combine like terms: -8u + 4u = -4u
15 + -4u = 7 + -4u + 4u

Combine like terms: -4u + 4u = 0
15 + -4u = 7 + 0
15 + -4u = 7

Add '-15' to each side of the equation.
15 + -15 + -4u = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -4u = 7 + -15
-4u = 7 + -15

Combine like terms: 7 + -15 = -8
-4u = -8

Divide each side by '-4'.
u = 2

Simplifying
u = 2

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