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First, the denominator of the fraction is 2, so all the terms on both sides of the = have to be multiplied by 2: 4x - 6 = 1 Then you can simplify this by adding 6 to both sides: 4x = 7 And then divide bot...

5x + 2 = 9 Bring all the numbers which do not include x to the right hand side. 5x = 9 - 2 5x = 7 Now, to find x, 7 should be divided by 5. x = 7 / 5

4y+2=6y-2, add 2 to both sides. 4y+4=6y, subtract 4y from both sides. 4=2y, divide both sides by 2 y=2

Rearrange the equation so x^2 - 7x -18 = 0, then simplify into (x-9)(x+2)=0 -> x=9 or x=-2

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