135=r*30

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Solution for 135=r*30 equation:


Simplifying
135 = r * 30

Reorder the terms for easier multiplication:
135 = 30r

Solving
135 = 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
135 + -30r = 30r + -30r

Combine like terms: 30r + -30r = 0
135 + -30r = 0

Add '-135' to each side of the equation.
135 + -135 + -30r = 0 + -135

Combine like terms: 135 + -135 = 0
0 + -30r = 0 + -135
-30r = 0 + -135

Combine like terms: 0 + -135 = -135
-30r = -135

Divide each side by '-30'.
r = 4.5

Simplifying
r = 4.5

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