Simplify -3xy3 + 7xy3 + (-xy3) + (-3xy3).

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Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 (((0-(3x•(y3)))+(7x•(y3)))+(0-(x•(y3+(0-3xy3)

Step  2  :

Equation at the end of step  2  :

 (((0-(3x•(y3)))+7xy3)+ -xy3)+ -3xy3

Step  3  :

Equation at the end of step  3  :

 (((0 -  3xy3) +  7xy3) +   -xy3) +   -3xy3

Step  4  :

Final result :

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its the fourth option

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y