Find the sum or difference. write it in simplest form
2/3 +1/4=

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false