7-u+2=-13

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Solution for 7-u+2=-13 equation:


Simplifying
7 + -1u + 2 = -13

Reorder the terms:
7 + 2 + -1u = -13

Combine like terms: 7 + 2 = 9
9 + -1u = -13

Solving
9 + -1u = -13

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + -1u = -13 + -9

Combine like terms: 9 + -9 = 0
0 + -1u = -13 + -9
-1u = -13 + -9

Combine like terms: -13 + -9 = -22
-1u = -22

Divide each side by '-1'.
u = 22

Simplifying
u = 22

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