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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