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musickatia [10]
3 years ago
6

-2(7a+ 9b) = –14a + [?]b

Mathematics
2 answers:
MariettaO [177]3 years ago
4 0

Answer:

the unknown, [?], has the value -18.

Step-by-step explanation:

Perform the indicated multiplication on the left side:

-14a - 18b = -14a + [?]b

Adding 14a to both sides, we eliminate a:

-18b = [?]b

Thus, the unknown, [?], has the value -18.

OverLord2011 [107]3 years ago
3 0

Answer:

-18

Step-by-step explanation:

Left Hand Side = -2(7a + 9b) = -14a - 18b

Comparing it with Right Hand Side, ?  = -18

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