4(2r+8)=12r+12

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Solution for 4(2r+8)=12r+12 equation:


Simplifying
4(2r + 8) = 12r + 12

Reorder the terms:
4(8 + 2r) = 12r + 12
(8 * 4 + 2r * 4) = 12r + 12
(32 + 8r) = 12r + 12

Reorder the terms:
32 + 8r = 12 + 12r

Solving
32 + 8r = 12 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
32 + 8r + -12r = 12 + 12r + -12r

Combine like terms: 8r + -12r = -4r
32 + -4r = 12 + 12r + -12r

Combine like terms: 12r + -12r = 0
32 + -4r = 12 + 0
32 + -4r = 12

Add '-32' to each side of the equation.
32 + -32 + -4r = 12 + -32

Combine like terms: 32 + -32 = 0
0 + -4r = 12 + -32
-4r = 12 + -32

Combine like terms: 12 + -32 = -20
-4r = -20

Divide each side by '-4'.
r = 5

Simplifying
r = 5

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