-2(2r-5)=-2-r

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


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

Reorder the terms:
-2(-5 + 2r) = -2 + -1r
(-5 * -2 + 2r * -2) = -2 + -1r
(10 + -4r) = -2 + -1r

Solving
10 + -4r = -2 + -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.
10 + -4r + r = -2 + -1r + r

Combine like terms: -4r + r = -3r
10 + -3r = -2 + -1r + r

Combine like terms: -1r + r = 0
10 + -3r = -2 + 0
10 + -3r = -2

Add '-10' to each side of the equation.
10 + -10 + -3r = -2 + -10

Combine like terms: 10 + -10 = 0
0 + -3r = -2 + -10
-3r = -2 + -10

Combine like terms: -2 + -10 = -12
-3r = -12

Divide each side by '-3'.
r = 4

Simplifying
r = 4

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