exam Maths Puzzle Numerical Ability

Graph 3x + 2y = 6

This one is throwing me off because the way I figured this one was 3x-2y = 1 or -1 to get rid of the variable to find the cordinance. Can someone please help me with this one. Thanks

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exam Other Question

x=1/2(y+4);y Write an english version of the following equations;

a) 2x-5=x+1

b) 2(x+2)=14

c) n+5=n/2-6

d) 7-3a = 5+a