4(3x+9)=-42+66

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Solution for 4(3x+9)=-42+66 equation:


Simplifying
4(3x + 9) = -42 + 66

Reorder the terms:
4(9 + 3x) = -42 + 66
(9 * 4 + 3x * 4) = -42 + 66
(36 + 12x) = -42 + 66

Combine like terms: -42 + 66 = 24
36 + 12x = 24

Solving
36 + 12x = 24

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 12x = 24 + -36

Combine like terms: 36 + -36 = 0
0 + 12x = 24 + -36
12x = 24 + -36

Combine like terms: 24 + -36 = -12
12x = -12

Divide each side by '12'.
x = -1

Simplifying
x = -1

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