4*2.50r=21.50

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Solution for 4*2.50r=21.50 equation: 



4*2.50r=21.50

We move all terms to the left:

4*2.50r-(21.50)=0

We add all the numbers together, and all the variables

4*2.50r-(21.5)=0

We add all the numbers together, and all the variables

4*2.50r-21.5=0

Wy multiply elements

8r-21.5=0

We move all terms containing r to the left, all other terms to the right

8r=21.5

r=21.5/8

r=2+3.66666666667/5.33333333333

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