Question

Simplify the expression 7b+ 3x - 5b + 21x

Answer 1

2b+24x
simple addition and subtraction

Answer 2

2b + 24x

Explanation:

Simplify terms with the same variables:

7b + 3x - 5b + 21x = (7b - 5b) + (3x + 21x)

Simplify. Combine like terms:

(7b - 5b) = 2b

(3x + 21x) = 24x

2b + 24x is your answer.

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