book Maths Puzzle Numerical Ability

Stating the slope and y-intercept of the graph on this equation:

exa.
5x - 4y = 8

exa.
2/3x + 4/7y = 1

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book Other Question
How solve the system 4x-6y=4 and x+5y=14 using Cramer's rule? Divide

x^4 + 2x^2 - 2

divided by

x^2 + 3