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

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


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

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

Combine like terms: 3 + -12 = -9
-9 + -4x = 3 + 3(x + 3)

Reorder the terms:
-9 + -4x = 3 + 3(3 + x)
-9 + -4x = 3 + (3 * 3 + x * 3)
-9 + -4x = 3 + (9 + 3x)

Combine like terms: 3 + 9 = 12
-9 + -4x = 12 + 3x

Solving
-9 + -4x = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-9 + -4x + -3x = 12 + 3x + -3x

Combine like terms: -4x + -3x = -7x
-9 + -7x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + -7x = 12 + 0
-9 + -7x = 12

Add '9' to each side of the equation.
-9 + 9 + -7x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -7x = 12 + 9
-7x = 12 + 9

Combine like terms: 12 + 9 = 21
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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