12r+5-3r+5=

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Solution for 12r+5-3r+5= equation:


12r+5-3r+5=0

We simplify the equation to the form, which is simple to understand 
12r+5-3r+5=0

We move all terms containing r to the left and all other terms to the right. 
+12r-3r=0-5-5

We simplify left and right side of the equation. 
+9r=-10

We divide both sides of the equation by 9 to get r. 
r=-1.1111111111111

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