5r-30=105

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Solution for 5r-30=105 equation: 


Simplifying
5r + -30 = 105

Reorder the terms:
-30 + 5r = 105

Solving
-30 + 5r = 105

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 + 5r = 105 + 30

Combine like terms: -30 + 30 = 0
0 + 5r = 105 + 30
5r = 105 + 30

Combine like terms: 105 + 30 = 135
5r = 135

Divide each side by '5'.
r = 27

Simplifying
r = 27

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