84=4(3b+6)

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Solution for 84=4(3b+6) equation:


Simplifying
84 = 4(3b + 6)

Reorder the terms:
84 = 4(6 + 3b)
84 = (6 * 4 + 3b * 4)
84 = (24 + 12b)

Solving
84 = 24 + 12b

Solving for variable 'b'.

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

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

Combine like terms: 12b + -12b = 0
84 + -12b = 24 + 0
84 + -12b = 24

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

Combine like terms: 84 + -84 = 0
0 + -12b = 24 + -84
-12b = 24 + -84

Combine like terms: 24 + -84 = -60
-12b = -60

Divide each side by '-12'.
b = 5

Simplifying
b = 5

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