3r+17=9+7r

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Solution for 3r+17=9+7r equation:


Simplifying
3r + 17 = 9 + 7r

Reorder the terms:
17 + 3r = 9 + 7r

Solving
17 + 3r = 9 + 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.
17 + 3r + -7r = 9 + 7r + -7r

Combine like terms: 3r + -7r = -4r
17 + -4r = 9 + 7r + -7r

Combine like terms: 7r + -7r = 0
17 + -4r = 9 + 0
17 + -4r = 9

Add '-17' to each side of the equation.
17 + -17 + -4r = 9 + -17

Combine like terms: 17 + -17 = 0
0 + -4r = 9 + -17
-4r = 9 + -17

Combine like terms: 9 + -17 = -8
-4r = -8

Divide each side by '-4'.
r = 2

Simplifying
r = 2

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