How do I solve: how to solve 3x=4(4-2x)=11 and

Question

x-2y+4z=9
x=2z+2
y=-4z ?

Thanks Need ASAP

Answer 1

3x=4(4-2x)=11

I suspect a typo

Answer 2

yes its supposed to be 3x+4(4-2x)=11