84=12(2x+1)

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Solution for 84=12(2x+1) equation:


Simplifying
84 = 12(2x + 1)

Reorder the terms:
84 = 12(1 + 2x)
84 = (1 * 12 + 2x * 12)
84 = (12 + 24x)

Solving
84 = 12 + 24x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 12 + -84 = -72
-24x = -72

Divide each side by '-24'.
x = 3

Simplifying
x = 3

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