2 years ago

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

Mathematics

1 answer:

taurus [48]2 years ago

3 0

Answer:

$- 8\frac{ 1}{ 2}$

Step-by-step explanation:

$- 4x + 8 = 42 \\ - 4x = 42 - 8 \\ - 4x = 34 \\ x = \frac{ 34}{ - 4} \\ x = - \frac{ 17}{ 2} \\ x = - 8\frac{ 1}{ 2} \: or \: x = - 8.5$

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