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11Alexandr11 [23.1K]
3 years ago
7

Evaluate the expression, using the given value of the variable.

Mathematics
2 answers:
Alborosie3 years ago
4 0
A.  - 12

3 - 21+6 = -18+6 = -12
Alborosie3 years ago
3 0
3 - 7x + 2x

Plug in 3 for 'x'

3 - 7(3) + 2(3)

3 - 21 + 6

-18 + 6

-12

So our answer is A
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