Solve the equation 7x + 6 = 1 + 2x

7x + 6 = 1 + 2x7x + 6 -2x = 15x + 6 = 15x = 1-65x = -5x = -1

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Answered by Thomas R. Maths tutor

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What's the key to solving simultaneous equations?


You are given a square which you are told has a total area of 100 squared centimetres. You are also told that one side of the square has dimension 4(3x + 2), and the other has dimension 8x - y. What are the values of x and y?


x^2-9x+20=0


Make y the subject of the formula: p = √x+y/5


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