-6-6(4r+7)=12-4r

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Solution for -6-6(4r+7)=12-4r equation:


Simplifying
-6 + -6(4r + 7) = 12 + -4r

Reorder the terms:
-6 + -6(7 + 4r) = 12 + -4r
-6 + (7 * -6 + 4r * -6) = 12 + -4r
-6 + (-42 + -24r) = 12 + -4r

Combine like terms: -6 + -42 = -48
-48 + -24r = 12 + -4r

Solving
-48 + -24r = 12 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-48 + -24r + 4r = 12 + -4r + 4r

Combine like terms: -24r + 4r = -20r
-48 + -20r = 12 + -4r + 4r

Combine like terms: -4r + 4r = 0
-48 + -20r = 12 + 0
-48 + -20r = 12

Add '48' to each side of the equation.
-48 + 48 + -20r = 12 + 48

Combine like terms: -48 + 48 = 0
0 + -20r = 12 + 48
-20r = 12 + 48

Combine like terms: 12 + 48 = 60
-20r = 60

Divide each side by '-20'.
r = -3

Simplifying
r = -3

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