6=42-8x

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Solution for 6=42-8x equation:


Simplifying
6 = 42 + -8x

Solving
6 = 42 + -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.
6 + 8x = 42 + -8x + 8x

Combine like terms: -8x + 8x = 0
6 + 8x = 42 + 0
6 + 8x = 42

Add '-6' to each side of the equation.
6 + -6 + 8x = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 8x = 42 + -6
8x = 42 + -6

Combine like terms: 42 + -6 = 36
8x = 36

Divide each side by '8'.
x = 4.5

Simplifying
x = 4.5

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