Answer:
- Collect like terms and simplify
- Subtract 7 from both sides
Step-by-step explanation:
METHOD 1

METHOD 2

Answer:
1/8
Step-by-step explanation:
3/4 is 6/8 and 6/8 - 7/8 is 1/8
You could answer this question easily by applying synthetic division:
_______________
-5 / 4 14 -9
-20 30
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4 -6 21