The sum of twice and four times of the variable x is __________

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The sum of twice and four times of the variable x is 6x

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Chapter 3: Algebra - Exercise 3.3 [Page 68]

Chapter 3 Algebra
Exercise 3.3 | Q 1. (iii) | Page 68

Identify the monomials, binomials, and trinomials in the following:
5 + 7x³y³z³

Identify the monomials, binomials, and trinomials in the following:
ax³ + bx² + cx + d

Add

8a − 6ab + 5b, −6a − ab − 8b, −4a + 2ab + 3b

Subtract:

−2a + b + 6d from 5a − 2b − 3c

`4/2 = 2` denotes a ______.

‘x exceeds y by 7’ can be expressed as ______.

If a note book costs Rs p and a pencil costs Rs 3, then the total cost (in Rs) of two note books and one pencil.

6 times q is subtracted from the smallest two digit number.

Sharad used to take p cups tea a day. After having some health problem, he takes p – 5 cups of tea a day.

If 9 is the solution of variable x in the equation `(5x - 7)/2 = y`, then the value of y is 28.