=3y-11, 4x-3y=-26 Substitution
You just have to find what x is. Pretend there isn't the signs and think of it as = signs. Then whatever u do on one side do it to all of them
divide both sides by a
subtract b from both sides
multiply all terms on both sides by -1
c=b-d/a
Answer: 55
Step-by-step explanation:
(* is a multilpication sign)
(2xy-z^3)/z
(2*12*8-3^3)/3
(192-27)/3
165/3
=55
:) -KJ