3x+6(2x-8)=42

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Solution for 3x+6(2x-8)=42 equation:


Simplifying
3x + 6(2x + -8) = 42

Reorder the terms:
3x + 6(-8 + 2x) = 42
3x + (-8 * 6 + 2x * 6) = 42
3x + (-48 + 12x) = 42

Reorder the terms:
-48 + 3x + 12x = 42

Combine like terms: 3x + 12x = 15x
-48 + 15x = 42

Solving
-48 + 15x = 42

Solving for variable 'x'.

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

Add '48' to each side of the equation.
-48 + 48 + 15x = 42 + 48

Combine like terms: -48 + 48 = 0
0 + 15x = 42 + 48
15x = 42 + 48

Combine like terms: 42 + 48 = 90
15x = 90

Divide each side by '15'.
x = 6

Simplifying
x = 6

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