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

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


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

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

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

Combine like terms: 4x + 3x = 7x
12 + 4x = -36 + 7x

Solving
12 + 4x = -36 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + 4x + -7x = -36 + 7x + -7x

Combine like terms: 4x + -7x = -3x
12 + -3x = -36 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -3x = -36 + 0
12 + -3x = -36

Add '-12' to each side of the equation.
12 + -12 + -3x = -36 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = -36 + -12
-3x = -36 + -12

Combine like terms: -36 + -12 = -48
-3x = -48

Divide each side by '-3'.
x = 16

Simplifying
x = 16

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