1. alicia and jamal completed the following " given : 3x+7=x-5 prove: x=-6 who completed the proof correctly?

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1. alicia and jamal completed the following " given : 3x+7=x-5 prove: x=-6 who completed the proof correctly?

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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I can't see how each one completed it...but I would do it this way.. 3x + 7 = x - 5 --- subtract x from each side 3x - x + 7 = -5 -- now subtract 7 from both sides 3x - x = -5 - 7 -- now simplify 2x = - 12 -- now divide both sides by 2 x = -6
but there are other ways
this is how 3x+7=x-5 : given 2x+7=-5: subtraction property of equality 2x=-12: subtraction property of quality x=-6: division property of equality for alicia

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Other answers:

and jamals 3x+7=x-5 : given 7=-2x-5 : subtraction property of equality 12=-2x: addition property of equality -6=x : division property of equality
a) alicia only b) jamal only c) both alicia and jamal d) neither alicia nor jamal
oh....they both look correct to me....glad you put the answer choices...I was thinking there could only be one of them right..lol....they are both correct
thanks so much
sure thing :)

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