Advertisements
Advertisements
Question
Evaluate:
(8a + 15b) − (3b − 7a)
Sum
Advertisements
Solution
(8a + 15b) − (3b − 7a)
= 8a + 15b − 3b + 7a
= 8a + 7a + 15b − 3b
= 15a + 12b
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Subtract the first term from the second:
`3 1/2"mn",8 1/2"nm"`
Add the following expression:
− 17x2 − 2xy + 23y2, − 9y2 + 15x2 + 7xy and 13x2 + 3y2 − 4xy
Evaluate:
(6y − 13) − (4 − 7y)
Subtract:
5a − 3b + 2c from a − 4b − 2c.
Subtract:
4x − 6y + 3z from 12x + 7y − 21z.
Take 1 − a + a2 from a2 + a + 1.
Fill in the blanks:
5 × 4 = .............. and 5x × 4y = ............
Fill in the blanks:
6 × 2 = .............. and 6xy × 2xy = ............
Fill in the blanks:
1 × 8 = .............. and a2xy2 × 8a3x2y = ............
Fill in the blank:
6 × 6x2 × 6x2y2 = ...................
