-2.8r+6.8r=8.4

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Solution for -2.8r+6.8r=8.4 equation:


-2.8r+6.8r=8.4

We simplify the equation to the form, which is simple to understand 
-2.8r+6.8r=8.4

We move all terms containing r to the left and all other terms to the right. 
-2.8r+6.8r=+8.4

We simplify left and right side of the equation. 
+4r=+8.4

We divide both sides of the equation by 4 to get r. 
r=2.1

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