3r-4r=-2-5r

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Solution for 3r-4r=-2-5r equation: 


Simplifying
3r + -4r = -2 + -5r

Combine like terms: 3r + -4r = -1r
-1r = -2 + -5r

Solving
-1r = -2 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
-1r + 5r = -2 + -5r + 5r

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

Combine like terms: -5r + 5r = 0
4r = -2 + 0
4r = -2

Divide each side by '4'.
r = -0.5

Simplifying
r = -0.5

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