Answer:
-4
Step-by-step explanation:
8+4y= -8
4y= -8 -8
4y= -16
divide both sides by the coeffient of the variable. in this case divide both sides by 4
y=-4
Answer:
Step-by-step explanation:
1. Do what is inside the parantheses


2. Simplify both terms

3. Solve

Answer:


Step-by-step explanation:
Given the system of linear equations


solving by the elimination method







so

now solving for y












Answer:
Step-by-step explanation:
By proportion it takes
3/5 * 10
= 6 days.