Question

3z + 6y + 3 = 6 + 2y - 2x
10 - 12y + 10 x = 10 - 4y + 9z
4x + 4y - 3z = 2

Answer 1

2x+6y-2y+3z+3-6=0==== 2x+4y+3z-3=0
10x-12y+4y-9z+10-10=0==== 10x-8y-9z=0
4x+4y-3z-2=0