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sveta [45]
3 years ago
7

- 8/9x - 4/45x + 1/5x = - 70

Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

x = 90

Step-by-step explanation:

- \frac{8}{9} x - \frac{4}{45} x + \frac{1}{5} x = - 70

Multiply through by 45 ( the LCM of 9, 45, 5 ) to clear the fractions

- 40x - 4x + 9x = - 3150 , that is

- 35x = - 3150 ( divide both sides by - 35 )

x = 90

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