Answer:
a = 4/3 b
Step-by-step explanation:
2a - b = 3b – a
Add a to each side
2a+a - b = 3b – a+a
3a -b = 3b
Add b to each side
3a -b+b = 3b+b
3a = 4b
Divide each side by 3
3a/3 = 4b/3
a = 4/3 b
Answer:
-4 + (-2) = -6
Step-by-step explanation:
1. Remove the parentheses
-4 - 2 → -4 + -2 = -6
Hope this helped! :)
U can round 289 to 290 and round 7 to 5 or 10