Max had $75 in receipts and $51.54 in profit. what were his expenses? i don't know how to do this i think i'm supposed to add

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.