4(3+x)=12+3x

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


Simplifying
4(3 + x) = 12 + 3x
(3 * 4 + x * 4) = 12 + 3x
(12 + 4x) = 12 + 3x

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

Combine like terms: 12 + -12 = 0
0 + 4x = 12 + -12 + 3x
4x = 12 + -12 + 3x

Combine like terms: 12 + -12 = 0
4x = 0 + 3x
4x = 3x

Solving
4x = 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.
4x + -3x = 3x + -3x

Combine like terms: 4x + -3x = 1x
1x = 3x + -3x

Combine like terms: 3x + -3x = 0
1x = 0

Divide each side by '1'.
x = 0

Simplifying
x = 0

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