book Maths Puzzle Numerical Ability

Graph the following linear equations and advise points:
3x-2y=12
and
y=2x+5

thanks!

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book Other Question

what quadrant whould a letter be in if it was on the x axis whithout touching the y axis? A farmer raises pigs & chickens. He has 220 animals with a total of 700 legs. How many pigs does the farmer have? Must show how. Thank you!