Question

3x + 2z - 4y - 6 + 4z + 7y

x = 2, y = 1, z = -3

plz help me with this. this is a substitution question. plz show all steps to this question. Thank You!

Answer 1

3x(2z+4z)+(−4y+7y)−6

Explanation:

1 Collect like terms.

3x+(2z+4z)+(−4y+7y)−6

2 Simplify.

3x+(2z+4z)+(−4y+7y)−6

3x+6z+3y−6