2(4r+6)=(12+18)

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Solution for 2(4r+6)=(12+18) equation:


Simplifying
2(4r + 6) = (12 + 18)

Reorder the terms:
2(6 + 4r) = (12 + 18)
(6 * 2 + 4r * 2) = (12 + 18)
(12 + 8r) = (12 + 18)

Combine like terms: 12 + 18 = 30
12 + 8r = (30)
12 + 8r = 30

Solving
12 + 8r = 30

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 8r = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 8r = 30 + -12
8r = 30 + -12

Combine like terms: 30 + -12 = 18
8r = 18

Divide each side by '8'.
r = 2.25

Simplifying
r = 2.25

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