7-r=10

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Solution for 7-r=10 equation:


7-r=10

We simplify the equation to the form, which is simple to understand 
7-r=10

We move all terms containing r to the left and all other terms to the right. 
-1r=+10-7

We simplify left and right side of the equation. 
-1r=+3

We divide both sides of the equation by -1 to get r. 
r=-3

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