Answer:
x = -19
Step-by-step explanation:
1. make parentheses disappeared using distribution law.

2. sum up b numbers and x

3. separate x and number to two sides of the equation

4. both side divided by -4

Assume independence because there are probably a lot of widgets. 1/100 x 1/100 = 1/10,000
35
this is the correct answer if you're on usatestprep
The letter is c because you divide 40 by 5 = 8
Answer is C, just multiply and expand.