exam Maths Puzzle Numerical Ability

Okay I have been working on this for ever and I just can't get it
I will type it exactly as I have it:
Your company directors figure the company needs to make at least 12 heat se

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exam Other Question

4x+2y>12 It says to find the x and y intercepts for each graph, and use them to graph the line.

here are the two problems:

1) -x-7y=3




2) x-y=-1





HELP PLEASE!