19r+39=9+4r

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Solution for 19r+39=9+4r equation:


Simplifying
19r + 39 = 9 + 4r

Reorder the terms:
39 + 19r = 9 + 4r

Solving
39 + 19r = 9 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
39 + 19r + -4r = 9 + 4r + -4r

Combine like terms: 19r + -4r = 15r
39 + 15r = 9 + 4r + -4r

Combine like terms: 4r + -4r = 0
39 + 15r = 9 + 0
39 + 15r = 9

Add '-39' to each side of the equation.
39 + -39 + 15r = 9 + -39

Combine like terms: 39 + -39 = 0
0 + 15r = 9 + -39
15r = 9 + -39

Combine like terms: 9 + -39 = -30
15r = -30

Divide each side by '15'.
r = -2

Simplifying
r = -2

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