5x+42=2(4x+12)

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Solution for 5x+42=2(4x+12) equation:


Simplifying
5x + 42 = 2(4x + 12)

Reorder the terms:
42 + 5x = 2(4x + 12)

Reorder the terms:
42 + 5x = 2(12 + 4x)
42 + 5x = (12 * 2 + 4x * 2)
42 + 5x = (24 + 8x)

Solving
42 + 5x = 24 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
42 + 5x + -8x = 24 + 8x + -8x

Combine like terms: 5x + -8x = -3x
42 + -3x = 24 + 8x + -8x

Combine like terms: 8x + -8x = 0
42 + -3x = 24 + 0
42 + -3x = 24

Add '-42' to each side of the equation.
42 + -42 + -3x = 24 + -42

Combine like terms: 42 + -42 = 0
0 + -3x = 24 + -42
-3x = 24 + -42

Combine like terms: 24 + -42 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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