4(1-3r)=100

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Solution for 4(1-3r)=100 equation:



4(1-3r)=100
We move all terms to the left:
4(1-3r)-(100)=0
We add all the numbers together, and all the variables
4(-3r+1)-100=0
We multiply parentheses
-12r+4-100=0
We add all the numbers together, and all the variables
-12r-96=0
We move all terms containing r to the left, all other terms to the right
-12r=96
r=96/-12
r=-8

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