-3=5r+7

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Solution for -3=5r+7 equation: 


Simplifying
-3 = 5r + 7

Reorder the terms:
-3 = 7 + 5r

Solving
-3 = 7 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-3 + -5r = 7 + 5r + -5r

Combine like terms: 5r + -5r = 0
-3 + -5r = 7 + 0
-3 + -5r = 7

Add '3' to each side of the equation.
-3 + 3 + -5r = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -5r = 7 + 3
-5r = 7 + 3

Combine like terms: 7 + 3 = 10
-5r = 10

Divide each side by '-5'.
r = -2

Simplifying
r = -2

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