-1=8r-(-40)

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Solution for -1=8r-(-40) equation:


-1=8r-(-40)

We simplify the equation to the form, which is simple to understand 
-1=8r-(-40)

Remove unnecessary parentheses
-1=8r+40

We move all terms containing r to the left and all other terms to the right. 
-8r=+40+1

We simplify left and right side of the equation. 
-8r=+41

We divide both sides of the equation by -08 to get r. 
r=-5.125

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