-3(1+6r)=13-r

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Solution for -3(1+6r)=13-r equation:


Simplifying
-3(1 + 6r) = 13 + -1r
(1 * -3 + 6r * -3) = 13 + -1r
(-3 + -18r) = 13 + -1r

Solving
-3 + -18r = 13 + -1r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add 'r' to each side of the equation.
-3 + -18r + r = 13 + -1r + r

Combine like terms: -18r + r = -17r
-3 + -17r = 13 + -1r + r

Combine like terms: -1r + r = 0
-3 + -17r = 13 + 0
-3 + -17r = 13

Add '3' to each side of the equation.
-3 + 3 + -17r = 13 + 3

Combine like terms: -3 + 3 = 0
0 + -17r = 13 + 3
-17r = 13 + 3

Combine like terms: 13 + 3 = 16
-17r = 16

Divide each side by '-17'.
r = -0.9411764706

Simplifying
r = -0.9411764706

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