3x + 2z - 4y - 6 + 4z + 7y x = 2, y = 1, z = -3

plz help me with this. this is a substitution question.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?