9-15+15u=-7-2u

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Solution for 9-15+15u=-7-2u equation:


Simplifying
9 + -15 + 15u = -7 + -2u

Combine like terms: 9 + -15 = -6
-6 + 15u = -7 + -2u

Solving
-6 + 15u = -7 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-6 + 15u + 2u = -7 + -2u + 2u

Combine like terms: 15u + 2u = 17u
-6 + 17u = -7 + -2u + 2u

Combine like terms: -2u + 2u = 0
-6 + 17u = -7 + 0
-6 + 17u = -7

Add '6' to each side of the equation.
-6 + 6 + 17u = -7 + 6

Combine like terms: -6 + 6 = 0
0 + 17u = -7 + 6
17u = -7 + 6

Combine like terms: -7 + 6 = -1
17u = -1

Divide each side by '17'.
u = -0.05882352941

Simplifying
u = -0.05882352941

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