Mathematics

Question

Hirotoshi solved the equation 6-4|2x-8|=-10 there is 2 solutions

1 Answer

  • for |a|=b solve for a such that a=b or a=-b




    6-4|2x-8|=-10
    minusĀ  6 both sides
    -4|2x-8|=-16
    divide both sides by -4
    |2x-8|=4
    solve
    2x-8=4 and 2x-8=-4
    add 8 to both sides of both equations
    2x=12 and 2x=4
    divide both sides by 2
    x=6 and x=2


    x=2 or 6
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