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3x+4y+400
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3x+4y+400
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2\left(\frac{3}{2}x+2y+200\right)
Combine x and \frac{x}{2} to get \frac{3}{2}x.
2\times \frac{3}{2}x+4y+400
Use the distributive property to multiply 2 by \frac{3}{2}x+2y+200.
3x+4y+400
Cancel out 2 and 2.
2\left(\frac{3}{2}x+2y+200\right)
Combine x and \frac{x}{2} to get \frac{3}{2}x.
2\times \frac{3}{2}x+4y+400
Use the distributive property to multiply 2 by \frac{3}{2}x+2y+200.
3x+4y+400
Cancel out 2 and 2.
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