Question

Please help
If y=4x+7/2 what is y when x is 5?

Answer 1

Explanation:

y=4x + (7/2)

when x=5

y=4(5)+ (7/2)

=20+3.5 or 20+ (7/2)

=23.5 or (40+7)/2 =47/2 =23.5

Answer 2

y=4x+7/2
If x=5, then:
y=(4)*(5) +7/2
y=20 + 7/2
Make the denominators the same:
y=40/2 +7/2
y=47/2 or 23.5