-9u+10=-7u-10

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Solution for -9u+10=-7u-10 equation:


Simplifying
-9u + 10 = -7u + -10

Reorder the terms:
10 + -9u = -7u + -10

Reorder the terms:
10 + -9u = -10 + -7u

Solving
10 + -9u = -10 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
10 + -9u + 7u = -10 + -7u + 7u

Combine like terms: -9u + 7u = -2u
10 + -2u = -10 + -7u + 7u

Combine like terms: -7u + 7u = 0
10 + -2u = -10 + 0
10 + -2u = -10

Add '-10' to each side of the equation.
10 + -10 + -2u = -10 + -10

Combine like terms: 10 + -10 = 0
0 + -2u = -10 + -10
-2u = -10 + -10

Combine like terms: -10 + -10 = -20
-2u = -20

Divide each side by '-2'.
u = 10

Simplifying
u = 10

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