If you put brackets around (2+1), your method of working is:
1) 15-4*(2+1)=3
2) 15-4*3=3
3) 15-12=3
You don't need any more brackets, as the BIDMAS (brackets, Indices, division, multiplication, addition, subtraction) rule does the rest of the job for you.
The answer is therefore: 15-4*(2+1)=3
Y is 88 degrees because on the other side is 92 degrees. A straight line is 180 degrees. 88+92=180.
Now that you have 88 and 50, add them together to get 138 degrees. Subtract 130 from 180 to find the missing value of x. 180-130=50. X=50 degrees
Step-by-step explanation:
The first purple dot is (40,20)
The second purple dot is (20,50)
The third purple dot is (60,20)
Answer: -8y+12
Step-by-step explanation: Multiply using the distributive property.
Hope this helps.
