2-u=-7

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Solution for 2-u=-7 equation: 


Simplifying
2 + -1u = -7

Solving
2 + -1u = -7

Solving for variable 'u'.

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

Add '-2' to each side of the equation.
2 + -2 + -1u = -7 + -2

Combine like terms: 2 + -2 = 0
0 + -1u = -7 + -2
-1u = -7 + -2

Combine like terms: -7 + -2 = -9
-1u = -9

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

Simplifying
u = 9

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