Answer:
13
Step-by-step explanation:
4/12 = m/39
Simplify the fraction on the left
Divide the top and bottom by 4
1/3 = m/39
Using cross product
3m = 1*39
Divide each side by 3
3m/3 = 39/3
m = 13
62,5721
12,01 × 5,21
= 62,5721
so whats the question?
the answer is
-x-8y=8
or, x + 8y= -8
4x - 6y = 13 - (5x + 2y = 5)
or, 4x - 6y = 13
- 5x - 2y = -5
-------------------------
- x - 8y = 8