A nap has a scale of 1cm to 16km on a map the distance between York and London is 23.1cm what is the real distance in km between York and London

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.