Science, asked by shouryarajsingh478, 1 month ago

1. Which of the following expression does not involve
a variable :
(a) 2x + 3
(b) 7 x 20 - 5
(c) 5(21 - 7) + 7 x 5 (d) 5x + 4
(e) 3x
(f) (7x20)–(5x 4)-20 + P
(g) 4x - 3+ 2n
(h) 6x7 - 3p
(i) 4k + 5.

Answers

Answered by ssomyasaswatirout

2

Answer:

expression (b) 7x20-5does not involve a variable

Answered by sachimingh777

1

Explanation:

B does not invove any variable

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