exam Maths Puzzle Numerical Ability

Could you please solve by using sustitution method. Please show details.
Thank you.

x - y = 3
3x - 2y = 3

Also please tell if it is independent, inconsistent or dependent.

Read Solution (Total 0)

exam Other Question

Use the rational roots theorem to solve:
p(x)=x^4-5x^3+5x^2+5x-6 I had a question on a test which was the absolute value (using l in lieu of the absolute value sign) of l3-5xl=-7. The answer is 0. Is this because x cannot be negative?