-3r=-7-10r

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Solution for -3r=-7-10r equation:


Simplifying
-3r = -7 + -10r

Solving
-3r = -7 + -10r

Solving for variable 'r'.

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

Add '10r' to each side of the equation.
-3r + 10r = -7 + -10r + 10r

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

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

Divide each side by '7'.
r = -1

Simplifying
r = -1

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