12(2x+4)=21

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Solution for 12(2x+4)=21 equation:


Simplifying
12(2x + 4) = 21

Reorder the terms:
12(4 + 2x) = 21
(4 * 12 + 2x * 12) = 21
(48 + 24x) = 21

Solving
48 + 24x = 21

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + 24x = 21 + -48

Combine like terms: 48 + -48 = 0
0 + 24x = 21 + -48
24x = 21 + -48

Combine like terms: 21 + -48 = -27
24x = -27

Divide each side by '24'.
x = -1.125

Simplifying
x = -1.125

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