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X=4.2666666666667
No kind: it is an expression, not an equation.
3x + 17 + 5x = 7x + 10Combine (add) the 'x'-terms on the left side of the equation:8x + 17 = 7x + 10Subtract 17 from each side:8x = 7x - 7Subtract 7x from each side:x = -7
(x-5)(x-2)
Im guessing that the equation is 7x - 2y +3z= 19 so the answer is 7x + 3z= 19