Answer:
17ft
Step-by-step explanation:
-5
Let n be the unknown number
difference is subtraction
3n -4 = -19
Add 4 to each side
3n-4+4 = -19+4
3n = -15
Divide by 3
3n/3 = -15/3
n = -5
y^5 z^7
______
y^5
4/4
2/3 * what = 8/12
Multiply the top and bottom by 4/4
2/3 *4/4 = 8/12
