What is the answer to 1/2 y+2/5 =4 2/5 ?

The answer to 1/2 y+2/5 =4 2/5 is y=8

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1/2 y+2/5 =4 2/5

\frac{1}{2} y + \frac{2}{5} = 4 \frac{2}{5}

y = 8

Solution steps

\frac{1}{2} y + \frac{2}{5} = 4 \frac{2}{5}

Convert mixed numbers to improper fractions:

4 \frac{2}{5} = \frac{22}{5}

\frac{1}{2} y + \frac{2}{5} = \frac{22}{5}

Move

\frac{2}{5}

to the right side

\frac{1}{2} y = 4

Multiply both sides by

2

y = 8

- 9 x = 36

\frac{3}{2} = \frac{x}{4}

x, A = 5 x y + 7 z + 12 x

S = \frac{72}{1 + 9 e ^{- 36 (3)}}

\frac{8}{3} x + \frac{5}{7} (x + 9) = \frac{2}{5} (2 x - 7)