In step 3, Mark forgot to multiply 5 · 5, so he ended up with 5 in the denominator instead of 5 · 5 = 25
If you're trying to solve for y,
5y-4=7
bring over the -4
5y=11
5y/5 = y
11/5 = 2.2
y= 2.2
Answer:
4n+13
Step-by-step explanation:
combine like terms.
7.85
explanation
you multiply the two numbers together