lilbtiweird lilbtiweird

27-03-2021
Mathematics

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which of these would be a helpful first step in solving the equation? check all that apply. 7x - 9 = 2x + 21

which of these would be a helpful first step in solving the equation check all that apply 7x 9 2x 21 class=

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sabretooth sabretooth

27-03-2021

Answer: E. Subtract 2x

Step-by-step explanation:

Subtracting 2x would remove a bit from both equations, giving us 5x - 9 = 12. This would make it easier now that we only have one number on a side.

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jazzyrocks2006 jazzyrocks2006

27-03-2021

Subtract 2x because you need to get the x value on one side and number on the other

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