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

Given :

The given expression is $21b-32 + 7b-20b$.

To do :

We have to simplify the given expression.

Solution :

Simplifying means to make simpler. Here, we can simplify by adding or subtracting like terms.

$21b-32+7b-20b$

21b, 7b and $-$20b are like terms.

Therefore,

$21b-32+7b-20b = b(21+7-20)-32 = (28-20)b-32 = 8b-32$.

Therefore, the simplified form of $21b-32 + 7b-20b$ is $8b-32$.

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Updated on: 10-Oct-2022

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