42=2x+4y

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Solution for 42=2x+4y equation:


Simplifying
42 = 2x + 4y

Solving
42 = 2x + 4y

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.
42 + -2x = 2x + -2x + 4y

Combine like terms: 2x + -2x = 0
42 + -2x = 0 + 4y
42 + -2x = 4y

Add '-42' to each side of the equation.
42 + -42 + -2x = -42 + 4y

Combine like terms: 42 + -42 = 0
0 + -2x = -42 + 4y
-2x = -42 + 4y

Divide each side by '-2'.
x = 21 + -2y

Simplifying
x = 21 + -2y

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