3(4x+8)=-45+21

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Solution for 3(4x+8)=-45+21 equation: 


Simplifying
3(4x + 8) = -45 + 21

Reorder the terms:
3(8 + 4x) = -45 + 21
(8 * 3 + 4x * 3) = -45 + 21
(24 + 12x) = -45 + 21

Combine like terms: -45 + 21 = -24
24 + 12x = -24

Solving
24 + 12x = -24

Solving for variable 'x'.

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

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

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

Combine like terms: -24 + -24 = -48
12x = -48

Divide each side by '12'.
x = -4

Simplifying
x = -4

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