I think you meant 'x + 4x = -2'
Combine like terms:
5x = -2
Divide 5 to both sides:
x = -2/5 or -0.4
Answer:
here's the answer I have in the photo and solution too
We are given with a company profit of $ 5 profit where 2% of the products are faulty and the replacement-and-repait costs for the fauly products are equivalent to $ 100 each. Due to these faulty products, the equation becomes $ 5/ 1 = $ x / 0.98. The proft per item then is $ 4.9.