7r-8=27

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Solution for 7r-8=27 equation: 


Simplifying
7r + -8 = 27

Reorder the terms:
-8 + 7r = 27

Solving
-8 + 7r = 27

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 7r = 27 + 8

Combine like terms: -8 + 8 = 0
0 + 7r = 27 + 8
7r = 27 + 8

Combine like terms: 27 + 8 = 35
7r = 35

Divide each side by '7'.
r = 5

Simplifying
r = 5

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