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gogolik [260]
3 years ago
14

What value of x makes this equation true?

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

x=9/4=2.25

Step-by-step explanation:

The model is essentially saying:

3(-x)+10(1)=5(x)+8(-1)

Simplify:

-3x+10=5x-8

Subtract 5x from both sides:

-8x+10=-8

Subtract 10 from both sides:

-8x=-18

Divide both sides by -8. The negatives cancel:

x=18/8

Reduce:

x=9/4=2.25

And we're done!

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