8u-7=15-3u

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Solution for 8u-7=15-3u equation:


Simplifying
8u + -7 = 15 + -3u

Reorder the terms:
-7 + 8u = 15 + -3u

Solving
-7 + 8u = 15 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
-7 + 8u + 3u = 15 + -3u + 3u

Combine like terms: 8u + 3u = 11u
-7 + 11u = 15 + -3u + 3u

Combine like terms: -3u + 3u = 0
-7 + 11u = 15 + 0
-7 + 11u = 15

Add '7' to each side of the equation.
-7 + 7 + 11u = 15 + 7

Combine like terms: -7 + 7 = 0
0 + 11u = 15 + 7
11u = 15 + 7

Combine like terms: 15 + 7 = 22
11u = 22

Divide each side by '11'.
u = 2

Simplifying
u = 2

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