Advertisements
Advertisements
Question
Simplify:
2 (3a − b) − 5 (a − 3b)
Advertisements
Solution
2 (3a − b) − 5 (a − 3b)
= 6a − 2b − 5b + 15b
= 6a − 5a + 15b − 2b
= a + 13b
APPEARS IN
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
x + y = .......
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
a + b + x = ...................
Find the value of p + 2q + 3r, when p = 1, q = 5 and r = 2
Find the value of `"yx"/"z"`, when x = 8, y = 4 and z = 16
Find the value of 3x3 – 4x2 + 5x – 6, when x = − 1.
If x = 2, y = 5 and z = 4, find the value of the following:
xy ÷ y2z
Simplify:
3x + (8x − 5x) − (7x − x)
Fill in the blank:
2t + r − p − q + s = 2t + r − (..................)
If x = 3, y = 2 and z = 1; find the value of xy
Multiply and then evaluate:
(4x + y) and (x – 2y); when x = 2 and y = 1.
