19r-20=20-11r+20

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Solution for 19r-20=20-11r+20 equation:


Simplifying
19r + -20 = 20 + -11r + 20

Reorder the terms:
-20 + 19r = 20 + -11r + 20

Reorder the terms:
-20 + 19r = 20 + 20 + -11r

Combine like terms: 20 + 20 = 40
-20 + 19r = 40 + -11r

Solving
-20 + 19r = 40 + -11r

Solving for variable 'r'.

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

Add '11r' to each side of the equation.
-20 + 19r + 11r = 40 + -11r + 11r

Combine like terms: 19r + 11r = 30r
-20 + 30r = 40 + -11r + 11r

Combine like terms: -11r + 11r = 0
-20 + 30r = 40 + 0
-20 + 30r = 40

Add '20' to each side of the equation.
-20 + 20 + 30r = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 30r = 40 + 20
30r = 40 + 20

Combine like terms: 40 + 20 = 60
30r = 60

Divide each side by '30'.
r = 2

Simplifying
r = 2

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