Advertisements
Advertisements
Question
Subtract:
−xy from 6xy
Solution
Change the sign of the term of the expression that is to be subtracted and then add.
Term to be subtracted = -xy
Changing the sign of each term of the expression gives xy.
On adding:
6xy+xy
= (6+1)xy
= 7xy
APPEARS IN
RELATED QUESTIONS
If p = −2, q = −1 and r = 3, find the value of 2p2 − q2 + 3r2
Identify the monomials, binomials, and trinomials in the following:
−14
Identify the monomials, binomials, and trinomials in the following:
xy + yz − zx
Identify the like terms in the following:
abc, ab2c, acb2, c2ab, b2ac, a2bc, cab2
The value of x for which the expressions 3x – 4 and 2x + 1 become equal is ______.
Which out of the following are expressions with numbers only?
- y + 3
- (7 × 20) − 8z
- 5 (21 − 7) + 7 × 2
- 5
- 3x
- 5 − 5n
- (7 × 20) − (5 × 10) − 45 + p
Identify the operations (addition, subtraction, division, multiplication) in forming the following expression and tell how the expression have been formed.
2y + 17, 2y − 17
Give expression for the following case.
7 subtracted from p
Give expression in the following case.
11 added to 2m
Give expression in the following case.
y is multiplied by 5 and the result is subtracted from 16
