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Q: What does 10x plus x plus x equal?

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10x+2=12 10x=10 x=1

10x + 10x = 20x

X equals 6

( x^2 + 10x )^2 = ( x^2 + 10 x) ( x^2 + 10x ) = x^4 + 10x^3 + 10x^3 + 100x^2 = x^4 + 20x^3 + 100x^2 <----------------

10x-7+x+7 = 11x

(x2+10x+21)/(x+3) = (x+7)

That depends on the numerical values of 'x' and 'y'. When either of them changes, the value of (10x + 4y) changes.

x = 6 Why? 10x + 8 = 68 Subtract 8 from both sides: 10x = 60 Divide both sides by 10: x = 6

-10x+3 = -x+12 -10x+x = 12-3 -9x = 9 x = -1

-38-10x = 9x+19 -38-19 = 9x+10x -57 = 19x |: 19 -3 = x Therefore x equals -3

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