-40+r=18

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Solution for -40+r=18 equation: 


Simplifying
-40 + r = 18

Solving
-40 + r = 18

Solving for variable 'r'.

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

Add '40' to each side of the equation.
-40 + 40 + r = 18 + 40

Combine like terms: -40 + 40 = 0
0 + r = 18 + 40
r = 18 + 40

Combine like terms: 18 + 40 = 58
r = 58

Simplifying
r = 58

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