Simplify. Combine like terms:
In the first question, combine terms with the same variables:
2a - 4b + 6b - 3a = 2a - 3a - 4b + 6b = -a + 2b
-a + 2b is your answer
In the second question, do the same:
3a + 5b - 6a + 3b = 3a - 6a + 5b + 3b = -3a + 8b
-3a + 8b is your answer
hope this helps
F(x)=6x+57
F(18)=6x+57
F(18)=6(18)+57
F(18)=108+57
F(18)=165
Answer:
She earns £11 per hour
Step-by-step explanation:
You divide £440 with 5 days of the week and then you get how much she earns in a day. And then you devide with 8 and u get £11.
28 is the answer base × height
F(x)=7x-5
x=-14
7(-14)-5
-98-5
final answer is -103