400 + 500 = 900
1,500
(((800 plus 400) plus 400) plus 500) plus 500 = 2600
500 - 5x = 100 500 = 100 + 5x 400 = 5x x = 80 Check it. -400 + 500 = 100 It checks.
500 plus 800 equals 1,300.
To find two numbers that add up to 832, you can choose various pairs. For instance, 400 plus 432 equals 832. Alternatively, 500 plus 332 also equals 832. The possibilities are endless!
287 + 491 + 200 + 500 + 300 + 500 + 280 + 400 + 290 + 490 = 3738
100 + 400 = 500
900
1,620
900
Yes.
500+600= 1,100