Question

Which of the following equations are written in standard form?

А. 3x + 5y = -7

B. 2y + x = 12

C. 5x+10y = -21

D. 1.2x + 5y = 23.7
PLEASE HELP ME ASAP

Answer 1

Answers A, C, and D are written in standard form.

Answer B is NOT written correctly in standard form.