What is the answer to 3/10 x-2/5 =-1 ?

The answer to 3/10 x-2/5 =-1 is x=-2

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3/10 x-2/5 =-1

\frac{3}{10} x - \frac{2}{5} = - 1

x = - 2

Solution steps

\frac{3}{10} x - \frac{2}{5} = - 1

Move

\frac{2}{5}

to the right side

\frac{3}{10} x = - \frac{3}{5}

Multiply both sides by

10

3 x = - 6

Divide both sides by

3

x = - 2

x^{4} + 9 x^{2}

\frac{5 π}{3} x + \frac{40 π}{3} = 0

9 x^{3} + 36 x^{2} - 4 x - 16

6 x^{2} - x = 35

\frac{4}{6} x - 4 x + \frac{8}{3} = \frac{4}{3}