What's the solution for x? 4+x+2-2x=5

If square root x = -7, then x= -49 true or false

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)