8+19r-5=9r+31-4r

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Solution for 8+19r-5=9r+31-4r equation: 


Simplifying
8 + 19r + -5 = 9r + 31 + -4r

Reorder the terms:
8 + -5 + 19r = 9r + 31 + -4r

Combine like terms: 8 + -5 = 3
3 + 19r = 9r + 31 + -4r

Reorder the terms:
3 + 19r = 31 + 9r + -4r

Combine like terms: 9r + -4r = 5r
3 + 19r = 31 + 5r

Solving
3 + 19r = 31 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
3 + 19r + -5r = 31 + 5r + -5r

Combine like terms: 19r + -5r = 14r
3 + 14r = 31 + 5r + -5r

Combine like terms: 5r + -5r = 0
3 + 14r = 31 + 0
3 + 14r = 31

Add '-3' to each side of the equation.
3 + -3 + 14r = 31 + -3

Combine like terms: 3 + -3 = 0
0 + 14r = 31 + -3
14r = 31 + -3

Combine like terms: 31 + -3 = 28
14r = 28

Divide each side by '14'.
r = 2

Simplifying
r = 2

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