-7r+r=-7+4-8r-5

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Solution for -7r+r=-7+4-8r-5 equation:


-7r+r=-7+4-8r-5

We simplify the equation to the form, which is simple to understand 
-7r+r=-7+4-8r-5

We move all terms containing r to the left and all other terms to the right. 
-7r+1r+8r=-7+4-5

We simplify left and right side of the equation. 
+2r=-8

We divide both sides of the equation by 2 to get r. 
r=-4

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