-4(-3r+20)=-19+7r-6

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Solution for -4(-3r+20)=-19+7r-6 equation:


Simplifying
-4(-3r + 20) = -19 + 7r + -6

Reorder the terms:
-4(20 + -3r) = -19 + 7r + -6
(20 * -4 + -3r * -4) = -19 + 7r + -6
(-80 + 12r) = -19 + 7r + -6

Reorder the terms:
-80 + 12r = -19 + -6 + 7r

Combine like terms: -19 + -6 = -25
-80 + 12r = -25 + 7r

Solving
-80 + 12r = -25 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
-80 + 12r + -7r = -25 + 7r + -7r

Combine like terms: 12r + -7r = 5r
-80 + 5r = -25 + 7r + -7r

Combine like terms: 7r + -7r = 0
-80 + 5r = -25 + 0
-80 + 5r = -25

Add '80' to each side of the equation.
-80 + 80 + 5r = -25 + 80

Combine like terms: -80 + 80 = 0
0 + 5r = -25 + 80
5r = -25 + 80

Combine like terms: -25 + 80 = 55
5r = 55

Divide each side by '5'.
r = 11

Simplifying
r = 11

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