4(x-3)=3x+9

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


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

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

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

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

Combine like terms: 4x + -3x = 1x
-12 + 1x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + 1x = 9 + 0
-12 + 1x = 9

Add '12' to each side of the equation.
-12 + 12 + 1x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = 9 + 12
1x = 9 + 12

Combine like terms: 9 + 12 = 21
1x = 21

Divide each side by '1'.
x = 21

Simplifying
x = 21

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