6(12+5r)=5r+7(2r+4)

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Solution for 6(12+5r)=5r+7(2r+4) equation:


Simplifying
6(12 + 5r) = 5r + 7(2r + 4)
(12 * 6 + 5r * 6) = 5r + 7(2r + 4)
(72 + 30r) = 5r + 7(2r + 4)

Reorder the terms:
72 + 30r = 5r + 7(4 + 2r)
72 + 30r = 5r + (4 * 7 + 2r * 7)
72 + 30r = 5r + (28 + 14r)

Reorder the terms:
72 + 30r = 28 + 5r + 14r

Combine like terms: 5r + 14r = 19r
72 + 30r = 28 + 19r

Solving
72 + 30r = 28 + 19r

Solving for variable 'r'.

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

Add '-19r' to each side of the equation.
72 + 30r + -19r = 28 + 19r + -19r

Combine like terms: 30r + -19r = 11r
72 + 11r = 28 + 19r + -19r

Combine like terms: 19r + -19r = 0
72 + 11r = 28 + 0
72 + 11r = 28

Add '-72' to each side of the equation.
72 + -72 + 11r = 28 + -72

Combine like terms: 72 + -72 = 0
0 + 11r = 28 + -72
11r = 28 + -72

Combine like terms: 28 + -72 = -44
11r = -44

Divide each side by '11'.
r = -4

Simplifying
r = -4

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