45=u+-22

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Solution for 45=u+-22 equation:


Simplifying
45 = u + -22

Reorder the terms:
45 = -22 + u

Solving
45 = -22 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
45 + -1u = -22 + u + -1u

Combine like terms: u + -1u = 0
45 + -1u = -22 + 0
45 + -1u = -22

Add '-45' to each side of the equation.
45 + -45 + -1u = -22 + -45

Combine like terms: 45 + -45 = 0
0 + -1u = -22 + -45
-1u = -22 + -45

Combine like terms: -22 + -45 = -67
-1u = -67

Divide each side by '-1'.
u = 67

Simplifying
u = 67

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