Answer:
4x+30.97777... (7 repeating)
Step-by-step explanation:
Look at image
I know this is old question but i'd like to solve it :)
Answer:
y=3
y=9
Step-by-step explanation:
y=3×0+3
=3
y=3×1+3
=9
Answer:
Step 2: 20x = 80 + 10x
Step-by-step explanation:
Step 1: 20x - 10 = 80 + 10x
Add 10 to each side
20x - 10+10 = 80+10 + 10x
20x = 90 + 10x
Step 2: 20x = 80 + 10x This has the first error
Step 3: 10x = 80
Step 4: x= 8