An expressions equated to another expression is called ____________

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An expressions equated to another expression is called an equation

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Chapter 3: Algebra - Exercise 3.3 [Page 68]

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

If p = −2, q = −1 and r = 3, find the value of 2p² − q² + 3r²

Write the coefficient of x³ in x³

Write all the terms of the algebraic expressions:

4x⁵ − 6y⁴ + 7x²y − 9

Subtract:

6x³ − 7x² + 5x − 3 from 4 − 5x + 6x² − 8x³

How much less than x − 2y + 3z is 2x − 4y − z?

Every algebraic expression is an equation

If `(5x)/3 - 4 = (2x)/5`, then the numerical value of 2x – 7 is ______.

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.

Give expression for the following case.

p divided by 7

Sum of two numbers is 81. One is twice the other.

The numbers are ______ and ______.