42+r=r-(-48)

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Solution for 42+r=r-(-48) equation:


42+r=r-(-48)

We simplify the equation to the form, which is simple to understand 
42+r=r-(-48)

Remove unnecessary parentheses
42+r=r+48

We move all terms containing r to the left and all other terms to the right. 
+1r-1r=+48-42

We simplify left and right side of the equation. 
r=+6

0=6

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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