Question

10. What is the value of x in this equation?

-4x+8 = 42
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Answer 1

`- 8( 1)/( 2)`

Explanation:

`- 4x + 8 = 42 \\ - 4x = 42 - 8 \\ - 4x = 34 \\ x = ( 34)/( - 4) \\ x = - ( 17)/( 2) \\ x = - 8( 1)/( 2) \: or \: x = - 8.5`