Question

Simplify combining like terms;
$21b - 32 + 7b - 20b$

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Answer 1

Answer:

Step-by-step explanation:

⇒ 21b - 32 + 7b - 20b

⇒ 21b + 7b - 20b - 32

⇒ 28b - 20b - 32

⇒ 8b - 32

∴ Answer is 8b - 32