12(7r-1)=12(8r+2)

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Solution for 12(7r-1)=12(8r+2) equation:


Simplifying
12(7r + -1) = 12(8r + 2)

Reorder the terms:
12(-1 + 7r) = 12(8r + 2)
(-1 * 12 + 7r * 12) = 12(8r + 2)
(-12 + 84r) = 12(8r + 2)

Reorder the terms:
-12 + 84r = 12(2 + 8r)
-12 + 84r = (2 * 12 + 8r * 12)
-12 + 84r = (24 + 96r)

Solving
-12 + 84r = 24 + 96r

Solving for variable 'r'.

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

Add '-96r' to each side of the equation.
-12 + 84r + -96r = 24 + 96r + -96r

Combine like terms: 84r + -96r = -12r
-12 + -12r = 24 + 96r + -96r

Combine like terms: 96r + -96r = 0
-12 + -12r = 24 + 0
-12 + -12r = 24

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

Combine like terms: -12 + 12 = 0
0 + -12r = 24 + 12
-12r = 24 + 12

Combine like terms: 24 + 12 = 36
-12r = 36

Divide each side by '-12'.
r = -3

Simplifying
r = -3

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