1. 3x=y
3+y=z
2. 1/2y=x
7x=z
Answer:
=−4/7
Step-by-step explanation:
And yh I'm sorry if I got it wrong
Answer:
a) 2-5 = -3
b) 3(4) + 2(4) = 20
c) (3(5)+2)(5-4) = 17
Step-by-step explanation:
Substitute the variables for their values and then solve from there. Hopefully this helps, I don't know if I answered your question fully.
Answer:
for the second questio it is certainly The last choice D
Step-by-step explanation: