7. {-5, -1, 3, 7, 11}<span>
8. 3
9. one solution
10. (2, -3)
11. 7=2x+3
</span>
+2.15.
Explanation: subtract 6.3 by 4.15 = 2.15 so you add 2.15
Answer:
a+2b
Step-by-step explanation:
2(a+2b)-a-2b
2a+4b-a-2b
=a+2b
X+3x=8
x=8-3x is how far i could simplify
