r-4-2r=-5

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Solution for r-4-2r=-5 equation: 


Simplifying
r + -4 + -2r = -5

Reorder the terms:
-4 + r + -2r = -5

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

Solving
-4 + -1r = -5

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -1r = -5 + 4

Combine like terms: -4 + 4 = 0
0 + -1r = -5 + 4
-1r = -5 + 4

Combine like terms: -5 + 4 = -1
-1r = -1

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

Simplifying
r = 1

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