Question 1175535


Solve for y .

a. 
{{{2x+y-z=2}}}.....when {{{x=10+4z/10}}}

{{{2(10+4z/10)+y-z=2}}}

{{{20+8z/10+y-z=2}}}

{{{20+8z/10+y-10z/10=2}}}

{{{20+y-z/5=2}}}

{{{y=2-20+z/5}}}

{{{y=z/5-18}}}