exam Maths Puzzle Numerical Ability

3(x-2)+3-(-x)=4

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exam Other Question

Which of the following equations describe the same line as the equation 1/2x-5y=1?
(a) 2x-1/5y=1
(b) x=5y+2
(c) 2-5x+10y=0
(d) y=.1(x-2)
(e) 10y-x= -2
(f) 1+.5x=2+5y Please help me to do this equation

Determine which two equations represent parrallel lines

A) Y= 5/3x +4 b) y= -3/5x -7 c) y=2x+8 d) y= 2x-4

Please let me know how to do this

Thanks