-10r+7+7=-7-3r

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


Simplifying
-10r + 7 + 7 = -7 + -3r

Reorder the terms:
7 + 7 + -10r = -7 + -3r

Combine like terms: 7 + 7 = 14
14 + -10r = -7 + -3r

Solving
14 + -10r = -7 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
14 + -10r + 3r = -7 + -3r + 3r

Combine like terms: -10r + 3r = -7r
14 + -7r = -7 + -3r + 3r

Combine like terms: -3r + 3r = 0
14 + -7r = -7 + 0
14 + -7r = -7

Add '-14' to each side of the equation.
14 + -14 + -7r = -7 + -14

Combine like terms: 14 + -14 = 0
0 + -7r = -7 + -14
-7r = -7 + -14

Combine like terms: -7 + -14 = -21
-7r = -21

Divide each side by '-7'.
r = 3

Simplifying
r = 3

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