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loris [4]
3 years ago
10

Solve - 3/5 x + 1/5 > 7/20

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0

[ Answer ]

\boxed{X \ < \ -\frac{1}{4} }

[ Explanation ]

  • Solve: -\frac{3}{5}x + \frac{1}{5} > \frac{7}{20}

-----------------------------------------

  • Subtract \frac{1}{5} From Both Sides

-\frac{3}{5}x + \frac{1}{5} - \frac{1}{5} > \frac{7}{20} - \frac{1}{5}

  • Simplify

-\frac{3}{5}x > \frac{3}{20}

  • Multiply Both Sides By -1 (Reverse Inequality)

(-\frac{3}{5}x)(-1) < \frac{3(-1)}{20}

  • Simplify

\frac{3}{5}x < -\frac{3}{20}

  • Multiply Both Sides By 5

5 · \frac{3}{5}x < 5(-\frac{3}{20})

  • Simplify

3x < -\frac{3}{4}

  • Divide Both Sides By 3

\frac{3x}{3} < \frac{-\frac{3}{4} }{3}

  • Simplify

X < -\frac{1}{4}

\boxed{[ \ Eclipsed \ ]}

shusha [124]3 years ago
3 0

Answer:

x< -1/4

Step-by-step explanation:

- 3/5 x + 1/5 > 7/20

Subtract 1/5 from each side

- 3/5 x + 1/5-1/5 > 7/20-1/5

-3/5x > 7/20 -1/5

Get a common denominator

-3/5x > 7/20 -1/5*4/4

-3/5x > 7/20 -4/20

-3/5x> 3/20

Multiply by -5/3 to isolate x

Remember that flips the inequality

-5/3* -3/5 x < 3/20*-5/3

x < -1/4

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