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x^2 +y^2 =25, y – 3x = 13 - Simultaneous Equations (June 2017)

x = -4.8x = -3

Answered by Angelo U. • Maths tutor

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How do you use Pythagoras' Theorem?

Solve these simultaneous equations 5x + y = 21, x- 3y = 9

Solve the simultaneous equations 5x + y = 21 and x - 3y = 9

Factorise 2x^2+5x - 3

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