It will be itself because 1 cannot be divided by the number itself
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<span>x-y=1 (1)
x+y=3 (2)
Add (1) and (2) to eliminate y:
x- y + x - y =1 + 3
2x = 4
x = 4/2
</span><span>x = 2
Substitute x = 2 into (1) to find y:
2 + y = 3
y = 3 - 2
y = 1
The solution is (2, 1) </span>
<span>The “partial quotients”
strategy uses place value and lets students to form on multiplication facts
with friendly numbers. Look at the problem 496 ÷ 4. There are three instances
of a student’s method to answering 496 ÷ 4. We could say that example C is more
effectual than the other two but it is vital to point out how the student is
thinking on comprehending. The students can multiply 4 x 20 over and over again
or use higher multiples of ten proficiently; they all touch the same solution.
The “partial quotient” way will work with any division problem.</span>
<span>
</span>
<span>(see attachment below)</span>
Answer:
30
Step-by-step explanation:
4/5 (x-20)=8
4/5x-4/5*20=8
4/5x-16=8
4/5x=24
x=(24*5)/4
x=30
hope it helps..