What number should be placed in the box to help complete the division calculation? Long division setup showing an incomplete cal
culation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. An unknown value represented by a box is being subtracted from 839. Numerical Answers Expected! Answer for Blank 1: Look at the pic
1 answer:
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For this case we must solve a system of two equations with two unknowns, given by "x" and "y".
We have:
We multiply (2) by -1:
We add (1) and (3):
Clearing x:
We substitute in (2)
Thus, the solution of the system is
Answer:
The solution of the system is