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11 October, 09:56

The sum of twice a number and five is greater than three times the number minus three

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Answers (2)
  1. 11 October, 11:01
    0
    First, write out the problem. 2x + 5 > 3x - 3

    next, solve.

    2x + 5 > 3x - 3

    add 3 to the left side.

    2x + 8 > 3x

    subtract 2x from the right side.

    8 > 1x
  2. 11 October, 13:22
    0
    Rememember you can do anything to an equation as long as you do it to boht sides except diviede by zero and when you mulitply by a negative with inequalities (<, <,>,>) remember to flip the sign

    sum means add

    twice a number means a number times 2 (represented by x)

    greater than means >

    3 times means multiply

    minus is minus

    so

    sum of twice a number and 5 (2x+5) is greater than (>) 3 times the number (3x) minus 3 (-3)

    we now have

    2x+5>3x-3

    subtract 2x from both sides

    5>x-3

    add 3 to both sides

    8>x

    x<8

    therefor x is any number less than 8

    x can be 7,6,5,4,3,2,1,0,-123189030, π

    basically x<8
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