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Find the value of a. The diagram is not to scale.
21°-
129
(2q+6)°


User Jmnas
by
8.1k points

1 Answer

5 votes

Answer:

−2322q−6945

Explanation:

Simplify 129(2q+6) * 9 to 1161(2q + 6)

Expand by Distributing terms

21 - (2322q + 6966)

Remove parentheses.

21 - 2322q - 6966

Collect like terms.

-2322q + (21−6966)

Simplify

-2322q - 6945

Done

User Hrvoje T
by
8.9k points