5r+15=2.25r

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Solution for 5r+15=2.25r equation: 


Simplifying
5r + 15 = 2.25r

Reorder the terms:
15 + 5r = 2.25r

Solving
15 + 5r = 2.25r

Solving for variable 'r'.

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

Add '-2.25r' to each side of the equation.
15 + 5r + -2.25r = 2.25r + -2.25r

Combine like terms: 5r + -2.25r = 2.75r
15 + 2.75r = 2.25r + -2.25r

Combine like terms: 2.25r + -2.25r = 0.00
15 + 2.75r = 0.00

Add '-15' to each side of the equation.
15 + -15 + 2.75r = 0.00 + -15

Combine like terms: 15 + -15 = 0
0 + 2.75r = 0.00 + -15
2.75r = 0.00 + -15

Combine like terms: 0.00 + -15 = -15
2.75r = -15

Divide each side by '2.75'.
r = -5.454545455

Simplifying
r = -5.454545455

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