2r-(5r-r)=13

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


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

Combine like terms: 5r + -1r = 4r
2r + -1(4r) = 13

Remove parenthesis around (4r)
2r + -1 * 4r = 13

Multiply -1 * 4
2r + -4r = 13

Combine like terms: 2r + -4r = -2r
-2r = 13

Solving
-2r = 13

Solving for variable 'r'.

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

Divide each side by '-2'.
r = -6.5

Simplifying
r = -6.5

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