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21-08-2018
Mathematics

contestada

Which expression is equivalent to 3x + 5y + x - 2y?

A. 6xy
B. 7xy
C. 4x + 3y
D. 4x + 7y

Respuesta :

lucielchoi707 lucielchoi707

21-08-2018

D. 4x +7y

3x+5y+x-2y

x is also another way to say that there is 1x

4x + x (or 1x)= 5x

3y and 7y have the same variable

7y+3y=10y

Hence number D

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