18-r=48

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Solution for 18-r=48 equation: 


Simplifying
18 + -1r = 48

Solving
18 + -1r = 48

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + -1r = 48 + -18

Combine like terms: 18 + -18 = 0
0 + -1r = 48 + -18
-1r = 48 + -18

Combine like terms: 48 + -18 = 30
-1r = 30

Divide each side by '-1'.
r = -30

Simplifying
r = -30

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