42+8x=30

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Solution for 42+8x=30 equation: 


Simplifying
42 + 8x = 30

Solving
42 + 8x = 30

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + -42 + 8x = 30 + -42

Combine like terms: 42 + -42 = 0
0 + 8x = 30 + -42
8x = 30 + -42

Combine like terms: 30 + -42 = -12
8x = -12

Divide each side by '8'.
x = -1.5

Simplifying
x = -1.5

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