I believe that is the associative property of addition. Hope it helps! :) If you could vote my answer as the brainliest, that would be awesome! :)
I. xy + 2y=3 Not linear equation because is grade 2 equation (xy).
II. x-2y = y Are linear equations in two unknowns (x and y).
III. 3x + 2y = 5 Are linear equations in two unknowns (x and y).
<h2>
Corect ansver: C) II and III only</h2><h2>
</h2>
.
Answer:
22 - 3 × 6 + 52 = 56
Step-by-step explanation:
Multiply
3×6 = 18
22-18+52
Add and subtract
22-18 = 4
4+52 = 46
Answer:
36
Step-by-step explanation:
90÷5=18
18×2=36
We multiply two because the ration for adults is 2
Answer:
Given,
x=
15
2
Then,
−(−x)
=−(−
15
2
)=
15
2
As we know that by the sign rule of multiplication: (-ve) multiplied (-ve) equals (+ve)
Hence, proved −(−x)=x.