21-12-2018
Mathematics

contestada

What does this simplify to? 3+5.25 = 1 - 2.8x

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wegnerkolmp2741o wegnerkolmp2741o

21-12-2018

Answer:

-2.59 = x

Step-by-step explanation:

3+5.25 = 1 - 2.8x

Combine like terms

8.25 = 1-2.8x

Subtract 1 from each side

8.25 -1 = 1-1-2.8x

7.25 = -2.8x

Divide each side by -2.8

7.25/-2.8 = -2.8x/-2.8

-2.589285714 = x

Rounding

x=-2.59

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