The addition of – 7b and 2b is ____________ - Mathematics

The addition of – 7b and 2b is ____________

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The addition of – 7b and 2b is – 5b

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Chapter 3: Algebra - Exercise 3.2 [Page 63]

Chapter 3 Algebra
Exercise 3.2 | Q 1. (i) | Page 63

Simplify combining like terms: - z² + 13z² − 5z + 7z³ − 15z

Subtract:

\[\frac{ab}{7} - \frac{35}{3}bc + \frac{6}{5}ac \text { from } \frac{3}{5}bc - \frac{4}{5}ac\]

Add:

9p + 16q; 13p + 2q

Find the sum of the following expressions

mn + t, 2mn – 2t, – 3t + 3mn

Find the sum of the following expressions

u + v, u – v, 2u + 5v, 2u – 5v

Find the sum of the following expressions

5xyz – 3xy, 3zxy – 5yx

Simplify: p + p + 2 + p + 3 + p – 4 – p – 5 + p + 10

Add:

9ax + 3by – cz, –5by + ax + 3cz

The number of scarfs of length half metre that can be made from y metres of cloth is ______.

Write two different algebraic expressions for the word phrase "`(1/4)` of the sum of x and 7.”