Which equation is in standard form?
3x+4y=103x+4y=10
19+3y=2x19+3y=2x
7y−7x=87y−7x=8
8+5x=3y
3x+4y=103x+4y=10
19+3y=2x19+3y=2x
7y−7x=87y−7x=8
8+5x=3y