Which equations is written in standard form?
Group of answer choices
y = -2x + 3
y-5 = -2(x+4)
7x + 3y = 21
3x + 4x = 14
The equations written in standard form are:
7x + 3y = 21
Group of answer choices
y = -2x + 3
y-5 = -2(x+4)
7x + 3y = 21
3x + 4x = 14
7x + 3y = 21