INSTRUCTION. Perform the indicated operations. Show your solution.
1.) 10x + 5x + 3y
2.) 8a + 5b + 7b + 10
3.) 5m + 7n - 4n + 10m
4.) 8a - 10a + 7a + 9b
5.) 22x - 30x + 20xy - 30xy - 8x
6.) (4a + 10b) + (6 + 12b)
7.) (7a + 8b + 10c) + (9a + 7b – 12c + 9)
8.) (6a2 + 7a - 8) + (17a + 9b – 7)
9.) (5 - 9y + 7y2) + (-9y2 + 12y - 15)
10.) (2a + 2b + 4c) + (6a2 + 7b2 + 9a + 7b + 10)
11.) (6a + 7b) - (4a + 3b)
12.) (10m + 7n) – (-11m - 8n)
13.) (8a - 8b+ 10) – (12b + 90 – 7)
14.) (13 – 7p + 10s) – (85 – 9p + 15)
15.) (7n2 + 8n - 7p + 5) – (7n + 10p - 9)​