2(r+243)=978

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Solution for 2(r+243)=978 equation: 



2(r+243)=978

We move all terms to the left:

2(r+243)-(978)=0

We multiply parentheses

2r+486-978=0

We add all the numbers together, and all the variables

2r-492=0

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

2r=492

r=492/2

r=246

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