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Evgesh-ka [11]
3 years ago
6

-2x + 7(x-7)= -84 What does x equal?

Mathematics
2 answers:
timama [110]3 years ago
6 0
I hope this helps you



-2x+7x-7.7= -84


5x-49= -84


5x= -84+49


5x= -35


x = -7
olga_2 [115]3 years ago
3 0
-2 × X + 7 × (X - 7) - (-84) = 0 

(-2X + 7 × ( X - 7))) - -84 =  0 

5X + 35 = 5 × ( X + 7)

5 × ( X + 7) = 0 

Solve →   5 =0 

X+ 7 = 0 

Subtract "7" from both sides of the equation

Final answer → "x" = -7

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