-3r=10-r

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Solution for -3r=10-r equation:


Simplifying
-3r = 10 + -1r

Solving
-3r = 10 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-3r + r = 10 + -1r + r

Combine like terms: -3r + r = -2r
-2r = 10 + -1r + r

Combine like terms: -1r + r = 0
-2r = 10 + 0
-2r = 10

Divide each side by '-2'.
r = -5

Simplifying
r = -5

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