18r+r+r-14r-4r=-20

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Solution for 18r+r+r-14r-4r=-20 equation: 


Simplifying
18r + r + r + -14r + -4r = -20

Combine like terms: 18r + r = 19r
19r + r + -14r + -4r = -20

Combine like terms: 19r + r = 20r
20r + -14r + -4r = -20

Combine like terms: 20r + -14r = 6r
6r + -4r = -20

Combine like terms: 6r + -4r = 2r
2r = -20

Solving
2r = -20

Solving for variable 'r'.

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

Divide each side by '2'.
r = -10

Simplifying
r = -10

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