Question

Solve the following system of equations using any method 9x+5y+9z=−2 10x+4y+9z=10 4x+2y+8z=−24

Answer 1

x= 8, y= -4, z= -6 Solve for y.
Solve for z.
Substitute y= -4 and z= -6 into the first equation, solve for x.