Question

x — бу + 2x = 5 2x – 3y+z = 4 3х +4y - z = -2


help on how to do it , its about substitution. ​

Answer 1

Solve the following system of equations for x: 4x + 6y = 68 2x + 6y = 76  A. x = - 14 B. None of these. C. x = - 4 D. x = 14 E. x = 4
Top answer · 3 votes
option C is correct More