-7(1-2r)=

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Solution for -7(1-2r)= equation: 


Simplifying
-7(1 + -2r) = 0
(1 * -7 + -2r * -7) = 0
(-7 + 14r) = 0

Solving
-7 + 14r = 0

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 14r = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 14r = 0 + 7
14r = 0 + 7

Combine like terms: 0 + 7 = 7
14r = 7

Divide each side by '14'.
r = 0.5

Simplifying
r = 0.5

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