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

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

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2/5 x+1/5 =-1

\frac{2}{5} x + \frac{1}{5} = - 1

x = - 3

Solution steps

\frac{2}{5} x + \frac{1}{5} = - 1

Move

\frac{1}{5}

to the right side

\frac{2}{5} x = - \frac{6}{5}

Multiply both sides by

5

2 x = - 6

Divide both sides by

2

x = - 3

x + \frac{3}{5} = \frac{9}{4} + \frac{8}{2}

x, x + y + 2 z - 5 = 0

\frac{7 - 5 y}{3} = \frac{- 4 + y}{2}

100 - 3 x = 20 + 2 x

- 5 x - 12 = - 7