How to Solve Two Simultaneous Equations

I will use the whiteboard in order to explain the answer to my question. The format will follow:Understanding what it means to 'solve' one equationUnderstanding what it means to 'solve' two equationsVariables and coefficientsEliminating one variableSolving for the first variableSubstituting in to find the second variableChecking using the second equation

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Answered by Matthew I. Maths tutor

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A rectangle has an area of 20 cm2. Its length and width are enlarged by scale factor 3. Find the area of the enlarged rectangle.


x^2-9x+20=0


Solve for x: 2x^2 + 2x -24 = 0


A curve has the equation y = 4x^2 + 5x + 3 and a line has the equation y = x + 2. Show that the line and the curve have one point of intersection.


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