3(-7r+20)=6-14r+11r

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Solution for 3(-7r+20)=6-14r+11r equation:


Simplifying
3(-7r + 20) = 6 + -14r + 11r

Reorder the terms:
3(20 + -7r) = 6 + -14r + 11r
(20 * 3 + -7r * 3) = 6 + -14r + 11r
(60 + -21r) = 6 + -14r + 11r

Combine like terms: -14r + 11r = -3r
60 + -21r = 6 + -3r

Solving
60 + -21r = 6 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
60 + -21r + 3r = 6 + -3r + 3r

Combine like terms: -21r + 3r = -18r
60 + -18r = 6 + -3r + 3r

Combine like terms: -3r + 3r = 0
60 + -18r = 6 + 0
60 + -18r = 6

Add '-60' to each side of the equation.
60 + -60 + -18r = 6 + -60

Combine like terms: 60 + -60 = 0
0 + -18r = 6 + -60
-18r = 6 + -60

Combine like terms: 6 + -60 = -54
-18r = -54

Divide each side by '-18'.
r = 3

Simplifying
r = 3

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