Answer:

-14

Step-by-step explanation:

2x + 5x if x = (-2)

2(-2) +5(-2)=                 (replace x by -2)

-4 + -10=                       (2*(-2)=-4 and 5*(-2)=-10 when multiplying unlike signs

                                     the sign will be negative)

-14                                 (by adding same sign just copy the that sign and add                  

                                     the numbers)          

12.) Find the value of 2x + 5x if x = (-2)

A. 7

B. -1

C. 1

D. 9

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