12(x+4)-(9x+3)=

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Solution for 12(x+4)-(9x+3)= equation:


Simplifying
12(x + 4) + -1(9x + 3) = 0

Reorder the terms:
12(4 + x) + -1(9x + 3) = 0
(4 * 12 + x * 12) + -1(9x + 3) = 0
(48 + 12x) + -1(9x + 3) = 0

Reorder the terms:
48 + 12x + -1(3 + 9x) = 0
48 + 12x + (3 * -1 + 9x * -1) = 0
48 + 12x + (-3 + -9x) = 0

Reorder the terms:
48 + -3 + 12x + -9x = 0

Combine like terms: 48 + -3 = 45
45 + 12x + -9x = 0

Combine like terms: 12x + -9x = 3x
45 + 3x = 0

Solving
45 + 3x = 0

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 3x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + 3x = 0 + -45
3x = 0 + -45

Combine like terms: 0 + -45 = -45
3x = -45

Divide each side by '3'.
x = -15

Simplifying
x = -15

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