5(4+r)=1/2(40

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Solution for 5(4+r)=1/2(40 equation: 



5(4+r)=1/2(40

We move all terms to the left:

5(4+r)-(1/2(40)=0

We add all the numbers together, and all the variables

5(r+4)-(1/240=0

We multiply parentheses

5r+20-(1/240=0

We multiply all the terms by the denominator


5r*240+20*240-(1=0

We add all the numbers together, and all the variables

5r*240=0

Wy multiply elements

1200r=0

r=0/1200

r=0

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