0=-7r+3r

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Solution for 0=-7r+3r equation: 


Simplifying
0 = -7r + 3r

Combine like terms: -7r + 3r = -4r
0 = -4r

Solving
0 = -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
0 + 4r = -4r + 4r
Remove the zero:
4r = -4r + 4r

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

Divide each side by '4'.
r = 0

Simplifying
r = 0

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