-7(5r+9)+8(10r+2)=

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Solution for -7(5r+9)+8(10r+2)= equation:


-7(5r+9)+8(10r+2)=0

We simplify the equation to the form, which is simple to understand 
-7(5r+9)+8(10r+2)=0

Reorder the terms in parentheses
+(-35r-63)+8*(10r+2)=0

Remove unnecessary parentheses
-35r-63+8+*(+10r+2+)=0

Reorder the terms in parentheses
-35r-63+(+80r+16)=0

Remove unnecessary parentheses
-35r-63+80r+16=0

We move all terms containing r to the left and all other terms to the right. 
-35r+80r=0+63-16

We simplify left and right side of the equation. 
+45r=+47

We divide both sides of the equation by 45 to get r. 
r=1.0444444444444

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