SOLUTION: If 2(x -1) = 14, then x = If 5x + x� > 100, then x is not If 5x

SOLUTION: If 2(x -1) = 14, then x = If 5x + x� > 100, then x is not If 5x - 17 = -x + 7, then x =

Question 457061: If 2(x -1) = 14, then x =
If 5x + x� > 100, then x is not
If 5x - 17 = -x + 7, then x =
Found 2 solutions by Edwin McCravy, MathLover1:
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!

If 2(x -1) = 14, then 2x - 2 = 14 2x = 16 x = 8 ------------------------- If 5x + x� > 100, then x� + 5x - 100 > 0 which has critical values when x� + 5x - 100 = 0 approximately -12.8 or 7.8 Intervals (-oo,-12.8) (-12.8,7.8) (7.8,oo) Test values -13 0 8 expression at test value 4 -100 4 expression > 0? yes no yes x is not between and , inclusive --------------------------- If 5x - 17 = -x + 7, then 6x = 24 x = 4 --------------------------- Edwin

Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

If , then

If , then is not

.......use quadratic formula and solve

solutions:

or

so, is not or

If , then =

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