3r-19=1+8r

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Solution for 3r-19=1+8r equation:


Simplifying
3r + -19 = 1 + 8r

Reorder the terms:
-19 + 3r = 1 + 8r

Solving
-19 + 3r = 1 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-19 + 3r + -8r = 1 + 8r + -8r

Combine like terms: 3r + -8r = -5r
-19 + -5r = 1 + 8r + -8r

Combine like terms: 8r + -8r = 0
-19 + -5r = 1 + 0
-19 + -5r = 1

Add '19' to each side of the equation.
-19 + 19 + -5r = 1 + 19

Combine like terms: -19 + 19 = 0
0 + -5r = 1 + 19
-5r = 1 + 19

Combine like terms: 1 + 19 = 20
-5r = 20

Divide each side by '-5'.
r = -4

Simplifying
r = -4

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