3+17r-2=9r+31-2r

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Solution for 3+17r-2=9r+31-2r equation:


Simplifying
3 + 17r + -2 = 9r + 31 + -2r

Reorder the terms:
3 + -2 + 17r = 9r + 31 + -2r

Combine like terms: 3 + -2 = 1
1 + 17r = 9r + 31 + -2r

Reorder the terms:
1 + 17r = 31 + 9r + -2r

Combine like terms: 9r + -2r = 7r
1 + 17r = 31 + 7r

Solving
1 + 17r = 31 + 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.
1 + 17r + -7r = 31 + 7r + -7r

Combine like terms: 17r + -7r = 10r
1 + 10r = 31 + 7r + -7r

Combine like terms: 7r + -7r = 0
1 + 10r = 31 + 0
1 + 10r = 31

Add '-1' to each side of the equation.
1 + -1 + 10r = 31 + -1

Combine like terms: 1 + -1 = 0
0 + 10r = 31 + -1
10r = 31 + -1

Combine like terms: 31 + -1 = 30
10r = 30

Divide each side by '10'.
r = 3

Simplifying
r = 3

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