4x+18=2x+42

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Solution for 4x+18=2x+42 equation:


Simplifying
4x + 18 = 2x + 42

Reorder the terms:
18 + 4x = 2x + 42

Reorder the terms:
18 + 4x = 42 + 2x

Solving
18 + 4x = 42 + 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.
18 + 4x + -2x = 42 + 2x + -2x

Combine like terms: 4x + -2x = 2x
18 + 2x = 42 + 2x + -2x

Combine like terms: 2x + -2x = 0
18 + 2x = 42 + 0
18 + 2x = 42

Add '-18' to each side of the equation.
18 + -18 + 2x = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 42 + -18
2x = 42 + -18

Combine like terms: 42 + -18 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

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