1-7r+3r=9+4+4r+4

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Solution for 1-7r+3r=9+4+4r+4 equation:


1-7r+3r=9+4+4r+4

We simplify the equation to the form, which is simple to understand 
1-7r+3r=9+4+4r+4

We move all terms containing r to the left and all other terms to the right. 
-7r+3r-4r=+9+4+4-1

We simplify left and right side of the equation. 
-8r=+16

We divide both sides of the equation by -8 to get r. 
r=-2

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