Advertisements
Advertisements
Question
If x = 2 and y = 3, then find the value of the following expressions
4y – x
Advertisements
Solution
Given: x = 2, y = 3
4y – x = 4(3) – 2
= 12 – 2
= 10
APPEARS IN
RELATED QUESTIONS
Factorize `x^2 + 12/35 x + 1/35`
Factorize `5sqrt5x^2 + 20x + 3sqrt5`
Factorize `7(x - 2y)^2 - 25(x - 2y) + 12`
Factorize the following expressions
1- 27a3
Factorize 125x3 - 27 y3 - 225x2 y +135xy2
If 3x + 5y = 11 and xy = 2, find the value of 9x2 + 25y2
Multiply: x2 + y2 + z2 − xy + xz + yz by x + y − z
If a2 + b2 + c2 = 250 and ab + bc + ca = 3, find a + b + c.
Write the value of 253 − 753 + 503.
If x3 − 3x2 + 3x − 7 = (x + 1) (ax2 + bx + c), then a + b + c =
Divide: 6x2 + 5x - 6 by 2x + 3
Divide: 9x2 - 24xy + 16y2 by 3x- 4y
Divide: 6x3 + 5x2 − 21x + 10 by 3x − 2
Express the following as an algebraic expression:
The product of 12, x, y and z minus the product of 5, m and n.
Express the following as an algebraic expression:
Sum of p and 2r – s minus sum of a and 3n + 4x.
The simplest form of 5 ÷ `(3/2) - 1/3` is ______.
Write the coefficient of x2 and x in the following polynomials
`4 + 2/5x^2 - 3x`
If x = 2 and y = 3, then find the value of the following expressions
x + 1 – y
A student wrote an algebraic expression for “5 less than a number n divided by 3” as `n/3 - 5`. What error did the student make?
What type of algebraic expression is 2x−4y²?
