book Maths Puzzle Numerical Ability

write expression as an equivalent expression?

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book Other Question

Can you check to see if this is right, thanx

solve for x
3/x-5=8
3=8(x-5)
3=8x-40
+40 +40
43=8x
x=43/8
x-1+x-2=1-2x
x+3+x-3=3-x this is a fraction,line goes acrossn all 3