3(x-4)=30-3x

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Solution for 3(x-4)=30-3x equation:


Simplifying
3(x + -4) = 30 + -3x

Reorder the terms:
3(-4 + x) = 30 + -3x
(-4 * 3 + x * 3) = 30 + -3x
(-12 + 3x) = 30 + -3x

Solving
-12 + 3x = 30 + -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 + 3x + 3x = 30 + -3x + 3x

Combine like terms: 3x + 3x = 6x
-12 + 6x = 30 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 6x = 30 + 0
-12 + 6x = 30

Add '12' to each side of the equation.
-12 + 12 + 6x = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = 30 + 12
6x = 30 + 12

Combine like terms: 30 + 12 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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