Add without using number line: (-217)+(-100)
We have,
(-217)+(-100)=-217-100[∵+-=-]=-(217+100)=-317
Hence, (-217)+(-100)=-317
Add without using number line
112+(-128)
Add without using number line (-217)+(-100).
Question 3 (f)
Add without using number line: (–217) + (–100)
Add without using number line.
-217+-100