Algebraic Expressions NCERT Grade 7 Ex. 12.3 Q.1

Write down the algebraic expressions whose terms are : 3a, -4b, 7c

Find the sum of the following algebraic expressions : 3x^(3) - 5x^(2) + 2x + 1 , 3x - 2x^(3) - x^(3) , 2x^(2) - 7x + 9

Find the sum of the following algebraic expressions : 3a - 4b + 5c , 2a + 3b - 6c , - 5a + 8b + 7c

Write the algebraic expressions for the following. 12 more than the sum of two-thirds of a number a and four-fifths.

Write down the algebraic expressions whose terms are : 5xy^(2),-2(y)/(z),-(7)/(yz),8

Write down the algebraic expressions whose terms are : -7pq^(3),2p^(2)q, -3p^(5), 7r^(2), -(2)/(3) pqr+5

Find the sum of the following algebraic expressions : 7a^(2) - 5a + 2 , 3a^(2) - 7 , 2a + 9 , 1+ 2a - 5a^(2)

Write the statements explaining the following algebraic expressions. Also, write the terms of algebraic expression. (2)/(3)x-2y

Write the statements explaining the following algebraic expressions. Also, write the terms of algebraic expression. 15-(6t+3)

Write down the algebraic expression whose terms are : -3 5x^(2),-7x^(5)