r/10+4=5r

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Solution for r/10+4=5r equation:



r/10+4=5r
We move all terms to the left:
r/10+4-(5r)=0
We add all the numbers together, and all the variables
-5r+r/10+4=0
We multiply all the terms by the denominator
-5r*10+r+4*10=0
We add all the numbers together, and all the variables
r-5r*10+40=0
Wy multiply elements
r-50r+40=0
We add all the numbers together, and all the variables
-49r+40=0
We move all terms containing r to the left, all other terms to the right
-49r=-40
r=-40/-49
r=40/49

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