10 -3.5 and 10 -8.5 is the answer I think
Answer:
344
Step-by-step explanation:
80*4=320
6*4=24
320+24=344
Answer: 7.312
Step-by-step explanation: Hope this helped but you have to first divide 4/2 which makes 2, then 2/2 which is 1, 6/2 which makes 3, then 14/2 which makes 7
4/2= 2
2/2=1
6/2=3
14/2=7
7.312
Answer:
-3b
Step-by-step explanation:
4a - 9b - 2(2a - 3b)
= 4a - 9b -4a + 6b
= -3b
Y=2 by the method of substitution (x is 7).