What is expand 10(1/2 x+2/5 y=4) ?

The solution to expand 10(1/2 x+2/5 y=4) is 5x+4y=4

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expand 10(1/2 x+2/5 y=4)

expand

10 (\frac{1}{2} x + \frac{2}{5} y = 4)

5 x + 4 y = 4

Solution steps

10 (\frac{1}{2} x + \frac{2}{5} y = 4)

= 10 (\frac{1}{2} x + 4 \cdot \frac{2}{5} = y)

Apply the distributive law:

a (b + c) = ab + a c

a = 10, b = \frac{1}{2} x, c = \frac{2}{5} y = 4

10 \cdot \frac{1}{2} x + 10 \cdot \frac{2}{5} y = 4

Expand

10 \cdot \frac{1}{2} x + 10 \cdot \frac{2}{5} y : 5 x + 4 y

5 x + 4 y = 4

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What is expand 10(1/2 x+2/5 y=4) ?
The solution to expand 10(1/2 x+2/5 y=4) is 5x+4y=4