exam Maths Puzzle Numerical Ability

QUESTION: SOLVE AND GRAPH THE EQUATIONS

3X-6Y=9
X-2Y=3

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exam Other Question

How do I simplify 8r^2(r+8)-3r(5r^2-11)-9(3r^2-8r+1) Write a two column proof for Given: angle ABD is congruent to angle YXZ, Prove angle CBD is congruent to angle WXZ