7-r=-23

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Solution for 7-r=-23 equation: 


Simplifying
7 + -1r = -23

Solving
7 + -1r = -23

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + -1r = -23 + -7

Combine like terms: 7 + -7 = 0
0 + -1r = -23 + -7
-1r = -23 + -7

Combine like terms: -23 + -7 = -30
-1r = -30

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

Simplifying
r = 30

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