2(r+5)-(2r-7)=

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Solution for 2(r+5)-(2r-7)= equation: 


Simplifying
2(r + 5) + -1(2r + -7) = 0

Reorder the terms:
2(5 + r) + -1(2r + -7) = 0
(5 * 2 + r * 2) + -1(2r + -7) = 0
(10 + 2r) + -1(2r + -7) = 0

Reorder the terms:
10 + 2r + -1(-7 + 2r) = 0
10 + 2r + (-7 * -1 + 2r * -1) = 0
10 + 2r + (7 + -2r) = 0

Reorder the terms:
10 + 7 + 2r + -2r = 0

Combine like terms: 10 + 7 = 17
17 + 2r + -2r = 0

Combine like terms: 2r + -2r = 0
17 + 0 = 0
17 = 0

Solving
17 = 0

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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