4r-9=7

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Solution for 4r-9=7 equation:


4r-9=7

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

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

We simplify left and right side of the equation. 
+4r=+16

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

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