Question

Which one of these equations is correctly written in Standard Form?

one over sevenx + y = −3

7x + 1.5y = −3

1 over 7 x + 7y = −21

−7x + y = −21

Answer 1

Seven x *

Answer 2

Can you ask better please ?:)

Answer 3

@Sceenie:The standard form is :
y=mx+d