Answer:
a=1
Step-by-step explanation:
To make this easier, combine like terms first.
-5+2a=4a-4-3a
-5+2a=a-4
Then, add 5 on both sides.
-5+2a=a-4
<u>+5 +5</u>
2a=a+1
Now, subtract a on both sides.
2a=a+1
<u>-a -a</u>
a=1
Hope this helps you out!!!! Have an amazing day :3
If 1 mile = 1.609 km then we can use it as the conversion factor in the following way, remembering that the equation has to be set so that the miles cancel with miles.
4.5 miles =
⇒ 7.2405 km
Answer:
Step-by-step explanation:
Here it is
Complementary angles add up to 90
Supplementary angles add up to 180
12 - Complement - 78
12 - Supplement - 168
45 - Complement - 45
45 - Supplement - 135
83 - Complement - 7
83 - Supplement - 97
63 - Complement - 27
63 - Supplement - 117
4 - Complement - 86
4 - Supplement - 176
