what is -2x+3+5+-2=7 i cant figure it out

put the x components to the left and the other values to the right so u get

-3x = 7 - 3 -5 +2

so

-3x = 1

which gives

x = -1/3  u can check it  when u fill in 

-3 * (-1/3) = 1

greets dieks