1+8r=105

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Solution for 1+8r=105 equation:


1+8r=105

We simplify the equation to the form, which is simple to understand 
1+8r=105

We move all terms containing r to the left and all other terms to the right. 
+8r=+105-1

We simplify left and right side of the equation. 
+8r=+104

We divide both sides of the equation by 8 to get r. 
r=13

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