13+2r=2r-(5-1r)

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Solution for 13+2r=2r-(5-1r) equation:


Simplifying
13 + 2r = 2r + -1(5 + -1r)
13 + 2r = 2r + (5 * -1 + -1r * -1)
13 + 2r = 2r + (-5 + 1r)

Reorder the terms:
13 + 2r = -5 + 2r + 1r

Combine like terms: 2r + 1r = 3r
13 + 2r = -5 + 3r

Solving
13 + 2r = -5 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
13 + 2r + -3r = -5 + 3r + -3r

Combine like terms: 2r + -3r = -1r
13 + -1r = -5 + 3r + -3r

Combine like terms: 3r + -3r = 0
13 + -1r = -5 + 0
13 + -1r = -5

Add '-13' to each side of the equation.
13 + -13 + -1r = -5 + -13

Combine like terms: 13 + -13 = 0
0 + -1r = -5 + -13
-1r = -5 + -13

Combine like terms: -5 + -13 = -18
-1r = -18

Divide each side by '-1'.
r = 18

Simplifying
r = 18

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