Answer:
17/56
Step-by-step explanation:
Multiply 7 by 7 and get 49
Then Multiply 4 by 8 and get 32
Then we Multiply the Denominators 8×7= 56
that's how u get /56
now u look at the numerators 49/56 32/56
49-32= 17
thats how u Get 17/56
7/8 - 4/7 = 17/56
143
180 - 37 = 143.
We know this because y + 37 = 180
so we can does 180-37 to get our answer.
b=5
a=-3
The answer is 11.9cm
The solution is in the image
