solve for x 8x+14(-7/5x+14/5)=-36

I substited by multiplying 8 times -7/5 and so on and tried to solve for x and got 6.71428
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1 Answer

 

 

8x + 14((-7/5)x + (14/5) = -36
5[8x + 14((-7/5)x + (14/5)] = 5(-36)
40x + 14(-7x + 14) = -180
40x - 98x + 196 = -180
-58x + 196 = -180
58x = 196 + 180
58x = 376
x = 376 / 58
x = 188 / 29

 

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