-(r+7)=1-r

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


Simplifying
-1(r + 7) = 1 + -1r

Reorder the terms:
-1(7 + r) = 1 + -1r
(7 * -1 + r * -1) = 1 + -1r
(-7 + -1r) = 1 + -1r

Add 'r' to each side of the equation.
-7 + -1r + r = 1 + -1r + r

Combine like terms: -1r + r = 0
-7 + 0 = 1 + -1r + r
-7 = 1 + -1r + r

Combine like terms: -1r + r = 0
-7 = 1 + 0
-7 = 1

Solving
-7 = 1

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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