20(2x+4)=280

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Solution for 20(2x+4)=280 equation: 



20(2x+4)=280

We move all terms to the left:

20(2x+4)-(280)=0

We multiply parentheses

40x+80-280=0

We add all the numbers together, and all the variables

40x-200=0

We move all terms containing x to the left, all other terms to the right

40x=200

x=200/40

x=5

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