19-10=-7u-2u

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Solution for 19-10=-7u-2u equation:


Simplifying
19 + -10 = -7u + -2u

Combine like terms: 19 + -10 = 9
9 = -7u + -2u

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

Solving
9 = -9u

Solving for variable 'u'.

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

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

Combine like terms: -9u + 9u = 0
9 + 9u = 0

Add '-9' to each side of the equation.
9 + -9 + 9u = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 9u = 0 + -9
9u = 0 + -9

Combine like terms: 0 + -9 = -9
9u = -9

Divide each side by '9'.
u = -1

Simplifying
u = -1

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