You answer is going to be -966x^3
Answer:
1. 
2. 0.12
3. 13
4. -9/5
Step-by-step explanation:
To solve this you can multiply the second equation by to get
3x+6y =18
Then you can subtract it by the first equation to get
7y= 14
And get y= 2
Then you plug in y to one of the equations to find that x=2
There is no proportion showing
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