7r-30=25

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Solution for 7r-30=25 equation: 


Simplifying
7r + -30 = 25

Reorder the terms:
-30 + 7r = 25

Solving
-30 + 7r = 25

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + 7r = 25 + 30

Combine like terms: -30 + 30 = 0
0 + 7r = 25 + 30
7r = 25 + 30

Combine like terms: 25 + 30 = 55
7r = 55

Divide each side by '7'.
r = 7.857142857

Simplifying
r = 7.857142857

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