-3u+5u+7=8u+43

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Solution for -3u+5u+7=8u+43 equation:


Simplifying
-3u + 5u + 7 = 8u + 43

Reorder the terms:
7 + -3u + 5u = 8u + 43

Combine like terms: -3u + 5u = 2u
7 + 2u = 8u + 43

Reorder the terms:
7 + 2u = 43 + 8u

Solving
7 + 2u = 43 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
7 + 2u + -8u = 43 + 8u + -8u

Combine like terms: 2u + -8u = -6u
7 + -6u = 43 + 8u + -8u

Combine like terms: 8u + -8u = 0
7 + -6u = 43 + 0
7 + -6u = 43

Add '-7' to each side of the equation.
7 + -7 + -6u = 43 + -7

Combine like terms: 7 + -7 = 0
0 + -6u = 43 + -7
-6u = 43 + -7

Combine like terms: 43 + -7 = 36
-6u = 36

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

Simplifying
u = -6

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