3r-4=r+20

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Solution for 3r-4=r+20 equation:


3r-4=r+20

We simplify the equation to the form, which is simple to understand 
3r-4=r+20

We move all terms containing r to the left and all other terms to the right. 
+3r-1r=+20+4

We simplify left and right side of the equation. 
+2r=+24

We divide both sides of the equation by 2 to get r. 
r=12

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