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1 May, 09:13

What does this equal? 4 (2x+1) - 2x=-8

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  1. 1 May, 09:32
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    4 (2x+1) - 2x=-8

    4x+4-2x=-8

    6x+4=-8

    subtract 4 on both sides

    6x=-12

    divide both sides by 6

    x=-2
  2. 1 May, 09:32
    0
    To solve equations, you want to isolate the X. So, the first step will be to distribute that 4 into the 2x + 1.

    4 x 2 = 8

    4 x 1 = 4 So we have 4 (2x+1) = 8x+4. When we plug this into the equation, that gets us 8x + 4 - 2x = - 8. Next, let's combine like terms now that we've distributed everything out. 8x - 2x = 6x. Now we have

    6x + 4 = - 8. Next, we subtract 4 from both sides to isolate the X; 6x = - 8 - 4. - 8 - 4 = - 12. So now we have 6x = - 12. The final step to isolating the X is to divide both sides by 6; 6/6 = 1, and - 12/6 = - 2. Our final answer is X = - 2.
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