exam Maths Puzzle Numerical Ability

Use intercepts to graph each equation

2x+4=4
3x-6=y

Please help me on this I dont understand it.
Thanks

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exam Other Question

18 / 2(3) + 4(5) / -22 + 12 Robin ran 5 1/3 miles on Sunday, 2 1/4 miles on Tuesday and 3 1/2 miles on Friday. How far did she run during the week?

Thank you again for the help