Here I have attached a photo to help you with this:
Step-by-step explanation:
7x + 4x = -23 - 10
or, 11x = -33
or, x = -33/11
or, x = -3
Therefore, x = -3.
Hope you got the answer.
(-3)(+1.4) = -4.2
Whenever multiplying a - negative number and a + positive number = answer will be - number.
Answer: C.-4.2
