2(x+4)=42-2x

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


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

Reorder the terms:
2(4 + x) = 42 + -2x
(4 * 2 + x * 2) = 42 + -2x
(8 + 2x) = 42 + -2x

Solving
8 + 2x = 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.
8 + 2x + 2x = 42 + -2x + 2x

Combine like terms: 2x + 2x = 4x
8 + 4x = 42 + -2x + 2x

Combine like terms: -2x + 2x = 0
8 + 4x = 42 + 0
8 + 4x = 42

Add '-8' to each side of the equation.
8 + -8 + 4x = 42 + -8

Combine like terms: 8 + -8 = 0
0 + 4x = 42 + -8
4x = 42 + -8

Combine like terms: 42 + -8 = 34
4x = 34

Divide each side by '4'.
x = 8.5

Simplifying
x = 8.5

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