3 years ago

Pls answer this one

Mathematics

1 answer:

ruslelena [56]3 years ago

7 0

Step-by-step explanation:

PLS MARK ME AS BRAIN LIST ANSWER

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Read 2 more answers

A. 12 + 4x = 6x + 10 – 2x

GalinKa [24]

An equation has infinitely many solutions if it can be manipulated all the way to an identity (i.e. an equality where the right and left hand side are the same). We have:

A) $12+4x=6x+10-2x \iff 12+4x=10+4x \iff 12=10$

which is impossible

B) $5x+14-4x=23+x-9 \iff x+14 = x+14$

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C) $x+9-0.8x=5.2x+17-8\iff 0.2x+9=5.2x+9 \iff 0.2x=5.2x\iff x=0$

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which has a unique solution

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