Answer:
7
Step-by-step explanation:
get the x on the same side.
subtract 2x from both sides
30=3x+9
then get the variables on one side by themselves. subtract 9 from both sides.
21=3x
now divide by 3 on both sides.
there's your answer.
Answer:
19
Step-by-step explanation:
If it takes 5 cups to make each cake Henry can make 19 cakes.
Answer:
4x+y=5
Step-by-step explanation:
You can divide both sides by 2
Then you get 4x+y=5
let's firstly convert the mixed fraction to improper fraction and then multiply.
The red graph is the result of a vertical translation, 4 units down, of the black graph.
This means that, whenever the black graph associates
The red graph must associate 4 less to the same input:
So, the equation for the red graph is
or, equivalently,