Well, darling, x plus 9 is simply x + 9. I mean, it's not rocket science, it's just basic addition. So, if you're looking for the sum of x and 9, there you have it. Math made easy, honey!
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Oh, dude, math time! So, like, if you have x and you add 9 to it, you get x + 9. It's like basic algebra, man. So, the answer is x + 9. Easy peasy, lemon squeezy!
x+2=9 x=9-2 x=7
-23
3x-2y+9+9y-x = 2x+7y+9
-5x + x + 9 = -4x + 12 -4x + 9 = -4x + 12 9 = 12 This equation has no solution.
x^2 +8x -9 is equivalent to (x+9)(x-1) when factored