4x=2(x+42)

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


Simplifying
4x = 2(x + 42)

Reorder the terms:
4x = 2(42 + x)
4x = (42 * 2 + x * 2)
4x = (84 + 2x)

Solving
4x = 84 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
4x + -2x = 84 + 2x + -2x

Combine like terms: 4x + -2x = 2x
2x = 84 + 2x + -2x

Combine like terms: 2x + -2x = 0
2x = 84 + 0
2x = 84

Divide each side by '2'.
x = 42

Simplifying
x = 42

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