Question

z:3=-9
6z=-48
3y-7=-2y+3

Answer 1

Z=-9×3 Z=-27 z=-48÷6 z=-8 3y+2y=3+7 5y=10 y=2

Answer 2

z:3=-9 , z=-9x3 z=-27 
6z=-48 , z =-48 supra -6 = -8 
3y-7=-2y+3 , 3y+2y=+3+7 , 5y=10 , y=10 supra 5 , y=2  ... Sper ca ti-am fost de folos !!!