Answer :

Answer:

11a-16b-26

Step-by-step explanation:

Distribute 3 into first equation.

15a-12b-18.

Distribute -2 into second equation.

-4a-4b-8.

Rewrite as one equation 15a-12b-18-4a-4b-8.

Combine like terms 11a-16b-26

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