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Solve the equation: (3)/(7)-(2)/(5)x=5

1 Answer

7 votes

Answer:

x = -
(80)/(7)

Explanation:

Given


(3)/(7) -
(2)/(5) x = 5

Multiply through by 35 ( the lcm of 7 and 5 ) to clear the fractions

15 - 14x = 175 ( subtract 15 from both sides )

- 14x = 160 ( divide both sides by - 14 )

x =
(160)/(-14) = -
(80)/(7)