8r+7-13=58

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Solution for 8r+7-13=58 equation: 


Simplifying
8r + 7 + -13 = 58

Reorder the terms:
7 + -13 + 8r = 58

Combine like terms: 7 + -13 = -6
-6 + 8r = 58

Solving
-6 + 8r = 58

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 8r = 58 + 6

Combine like terms: -6 + 6 = 0
0 + 8r = 58 + 6
8r = 58 + 6

Combine like terms: 58 + 6 = 64
8r = 64

Divide each side by '8'.
r = 8

Simplifying
r = 8

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