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Ex 12.3, 6 (ii) - Chapter 12 Class 7 Algebraic Expressions
Last updated at March 22, 2023 by Teachoo
Ex 12.3
Ex 12.3, 1
Ex 12.3, 2 Important
Ex 12.3, 3
Ex 12.3, 4
Ex 12.3, 5 Important
Ex 12.3, 6 (i)
Ex 12.3, 6 (ii) Important You are here
Ex 12.3, 6 (iii)
Ex 12.3, 6 (iv) Important
Ex 12.3, 7 (i) Important
Ex 12.3, 7 (ii)
Ex 12.3, 7 (iii) Important
Ex 12.3, 7 (iv)
Ex 12.3, 7 (v) Important
Ex 12.3, 8 (i)
Ex 12.3, 8 (ii) Important
Ex 12.3, 9 Important
Ex 12.3, 10
Transcript
Ex 12.3, 6 Simplify the expressions and find the value if x is equal to 2 (ii) 3 (x + 2) + 5x – 7 3(x + 2) + 5x – 7 = 3x + 6 + 5x – 7 = 8x – 1 Putting x = 2 = 8(2) – 1 = 16 – 1 = 15
