56=4(3r+5)

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Solution for 56=4(3r+5) equation:


Simplifying
56 = 4(3r + 5)

Reorder the terms:
56 = 4(5 + 3r)
56 = (5 * 4 + 3r * 4)
56 = (20 + 12r)

Solving
56 = 20 + 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.
56 + -12r = 20 + 12r + -12r

Combine like terms: 12r + -12r = 0
56 + -12r = 20 + 0
56 + -12r = 20

Add '-56' to each side of the equation.
56 + -56 + -12r = 20 + -56

Combine like terms: 56 + -56 = 0
0 + -12r = 20 + -56
-12r = 20 + -56

Combine like terms: 20 + -56 = -36
-12r = -36

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

Simplifying
r = 3

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