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Popular >

simplify 3(a-7)

Solution

simplify

3 (a - 7)

Solution

3 a - 21

Solution steps

3 (a - 7)

Apply the distributive law:

a (b - c) = ab - a c

3 (a - 7) = 3 a - 3 \cdot 7

= 3 a - 3 \cdot 7

Multiply the numbers:

3 \cdot 7 = 21

= 3 a - 21

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Frequently Asked Questions (FAQ)

What is 3(a-7) ?
The solution to 3(a-7) is 3a-21