Question

solve the inequation 5x+1/7-4 (x/7+2/5)<=8/5+3x-1/7​

Answer 1

Answer:

-140/39

Step-by-step explanation:

5x + 1/7 - 4 (x/7 + 2/5) = 8/5 + 3x - 1/7

5x - 3x - 4x/7 - 8/20 = 8/5

2x - 80x - 56 / 140 = 8/5

-78x - 56 / 140 = 8/5

-78x - 56 / 140 x 5 = 8

-78x - 56 / 28 = 8

-78x - 56 = 8 x 28

-78x = 224 + 56

-78x = 280

-x = 280/78

-x = 140/39 (divide by 2)

x = -140/39

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