2x-4(2x+3)=42

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Solution for 2x-4(2x+3)=42 equation:


Simplifying
2x + -4(2x + 3) = 42

Reorder the terms:
2x + -4(3 + 2x) = 42
2x + (3 * -4 + 2x * -4) = 42
2x + (-12 + -8x) = 42

Reorder the terms:
-12 + 2x + -8x = 42

Combine like terms: 2x + -8x = -6x
-12 + -6x = 42

Solving
-12 + -6x = 42

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -6x = 42 + 12

Combine like terms: -12 + 12 = 0
0 + -6x = 42 + 12
-6x = 42 + 12

Combine like terms: 42 + 12 = 54
-6x = 54

Divide each side by '-6'.
x = -9

Simplifying
x = -9

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