Expand 3(x+4)
Please help, I will mark you brainliest! (if you get it right)

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

For the equations below which statement is true ? -2x=14 6x=-42

Solve 3x-18=2y and 5x-6y=6 by elimination show work