20r-17=18r+19

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Solution for 20r-17=18r+19 equation:


Simplifying
20r + -17 = 18r + 19

Reorder the terms:
-17 + 20r = 18r + 19

Reorder the terms:
-17 + 20r = 19 + 18r

Solving
-17 + 20r = 19 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
-17 + 20r + -18r = 19 + 18r + -18r

Combine like terms: 20r + -18r = 2r
-17 + 2r = 19 + 18r + -18r

Combine like terms: 18r + -18r = 0
-17 + 2r = 19 + 0
-17 + 2r = 19

Add '17' to each side of the equation.
-17 + 17 + 2r = 19 + 17

Combine like terms: -17 + 17 = 0
0 + 2r = 19 + 17
2r = 19 + 17

Combine like terms: 19 + 17 = 36
2r = 36

Divide each side by '2'.
r = 18

Simplifying
r = 18

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