10-7r=-2r

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Solution for 10-7r=-2r equation:


Simplifying
10 + -7r = -2r

Solving
10 + -7r = -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
10 + -7r + 2r = -2r + 2r

Combine like terms: -7r + 2r = -5r
10 + -5r = -2r + 2r

Combine like terms: -2r + 2r = 0
10 + -5r = 0

Add '-10' to each side of the equation.
10 + -10 + -5r = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -5r = 0 + -10
-5r = 0 + -10

Combine like terms: 0 + -10 = -10
-5r = -10

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

Simplifying
r = 2

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