4r-2r=7r-4r

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Solution for 4r-2r=7r-4r equation: 


Simplifying
4r + -2r = 7r + -4r

Combine like terms: 4r + -2r = 2r
2r = 7r + -4r

Combine like terms: 7r + -4r = 3r
2r = 3r

Solving
2r = 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.
2r + -3r = 3r + -3r

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

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

Divide each side by '-1'.
r = 0

Simplifying
r = 0

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