exam Maths Puzzle Numerical Ability

Solve the given system of equations:

2x+2y =6
x + y + z =1
3x+ 4y- z =13

This is a 3x3 matrix.

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exam Other Question

Identify the axis of symmetry, create a suitable table of values, then sketch the graph (including the axis of symmetry).
y=-x^2+3x-3

Wow, do I really need help. Thank you! Solve
11x-7=4x-6
write final answer as a simplified improper fraction