Simplify 2/7b to 2b/7
-1 × (2b/7 + 9) - 8
Simplify 1 × (2b/7 + 9) to (2b/7 + 9)
-(2b/7 + 9) - 8
Simplify brackets
-2b/7 - 9 - 8
Collect like terms
-2b/7 + (-9 - 8)
Simplify
<u>-2b/7 - 17</u>
<h3>
Answer:</h3>
<h3>
Explanation:</h3>
First, find the total number of apples. 
Now, multiply this by the probability of picking a rotten apple, which is 
. This is also the same as dividing by 
, or moving the decimal point two places to the left. 
This means that based on the probability given, 
rotten apples will be picked.
Answer:
x = 15
y = 63
Step-by-step explanation:
9x - 7 + 4x - 8 = 180
13x = 195
x = 15
9x - 7 = 2y + 2
126 = 2y
y = 63
Answer:
3x-y=-2
Step-by-step explanation:
9x-5x-x-3y+2y=-2
3x-y=-2
Answer:
4
Step-by-step explanation:
The answer is 4
