Answer:
1st: -4x + 15y -21
2nd: -15e + 14f + 30
Explanation:
So you would first distrubute the number outside of the parenthesis. So for the first one thats a -3 and for the second one it's a -7. Multiply those by the terms inside and then combine your like terms. That will give you your answers. Hope this helps :)
-4x+15y=27 for the first one
-15c+14f=30 for the second one
All you have to do is distribute it out and combine like terms
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