-4x+42=2(x+9)

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Solution for -4x+42=2(x+9) equation:


Simplifying
-4x + 42 = 2(x + 9)

Reorder the terms:
42 + -4x = 2(x + 9)

Reorder the terms:
42 + -4x = 2(9 + x)
42 + -4x = (9 * 2 + x * 2)
42 + -4x = (18 + 2x)

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

Combine like terms: -4x + -2x = -6x
42 + -6x = 18 + 2x + -2x

Combine like terms: 2x + -2x = 0
42 + -6x = 18 + 0
42 + -6x = 18

Add '-42' to each side of the equation.
42 + -42 + -6x = 18 + -42

Combine like terms: 42 + -42 = 0
0 + -6x = 18 + -42
-6x = 18 + -42

Combine like terms: 18 + -42 = -24
-6x = -24

Divide each side by '-6'.
x = 4

Simplifying
x = 4

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