Answer:12/7
Step-by-step explanation:
7b-4=8
7b-4+4=8+4
7b=12
b=12/7
Answer:
output: 8
Step-by-step explanation:
since x=0, y would equal 8 and y is the output.
Answer:

Explanation:
<em>Please refer to the attached image for the Solution</em>
Answer:
20
Step-by-step explanation:
make a # bar and market up as a percentage do 25%, 50%, 75% then you put 15 where 75% is and from there you see where the #'s fit
Answer:
true
Step-by-step explanation:
5x + 4x = 9x
3y + 7y = 10y
8 + 34 = 42