book Maths Puzzle Numerical Ability

what is 4(2a-2)=-2(1-5a)

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book Other Question

Find the equation of line which is perpendicular to the line y = x + 1 and passes the point (1,3)

I need HELP!!!!!! Thank you. If possible an immediate response would be greatly appreciated. Thank you again. How do you solve x-y2(x0-y)?