9u-7=-8u+12

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Solution for 9u-7=-8u+12 equation:


Simplifying
9u + -7 = -8u + 12

Reorder the terms:
-7 + 9u = -8u + 12

Reorder the terms:
-7 + 9u = 12 + -8u

Solving
-7 + 9u = 12 + -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 + 9u + 8u = 12 + -8u + 8u

Combine like terms: 9u + 8u = 17u
-7 + 17u = 12 + -8u + 8u

Combine like terms: -8u + 8u = 0
-7 + 17u = 12 + 0
-7 + 17u = 12

Add '7' to each side of the equation.
-7 + 7 + 17u = 12 + 7

Combine like terms: -7 + 7 = 0
0 + 17u = 12 + 7
17u = 12 + 7

Combine like terms: 12 + 7 = 19
17u = 19

Divide each side by '17'.
u = 1.117647059

Simplifying
u = 1.117647059

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