exam Maths Puzzle Numerical Ability

x^2 � 2x + 1
x - 1

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exam Other Question

Hi i am on page 54 and my problem is 15.15.15. aand my teacher gave me 3,375 how do i do it 7. x + 2y � z = 6
2x - y + 3 = 13
3x � 2y +3z = 16
Solve each system of equations algebraically using the method of substitution or the method of elimination. If