5r-140=15

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Solution for 5r-140=15 equation: 


Simplifying
5r + -140 = 15

Reorder the terms:
-140 + 5r = 15

Solving
-140 + 5r = 15

Solving for variable 'r'.

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

Add '140' to each side of the equation.
-140 + 140 + 5r = 15 + 140

Combine like terms: -140 + 140 = 0
0 + 5r = 15 + 140
5r = 15 + 140

Combine like terms: 15 + 140 = 155
5r = 155

Divide each side by '5'.
r = 31

Simplifying
r = 31

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