=3r-10r

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Solution for =3r-10r equation: 


Simplifying
0 = 3r + -10r

Combine like terms: 3r + -10r = -7r
0 = -7r

Solving
0 = -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
0 + 7r = -7r + 7r
Remove the zero:
7r = -7r + 7r

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

Divide each side by '7'.
r = 0

Simplifying
r = 0

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