4(7r+5)-4=212

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Solution for 4(7r+5)-4=212 equation:


4(7r+5)-4=212

We simplify the equation to the form, which is simple to understand 
4(7r+5)-4=212

Reorder the terms in parentheses
+(+28r+20)-4=212

Remove unnecessary parentheses
+28r+20-4=+212

We move all terms containing r to the left and all other terms to the right. 
+28r=+212-20+4

We simplify left and right side of the equation. 
+28r=+196

We divide both sides of the equation by 28 to get r. 
r=7

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