2(x+9)+20=28

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Solution for 2(x+9)+20=28 equation: 



2(x+9)+20=28

We move all terms to the left:

2(x+9)+20-(28)=0

We add all the numbers together, and all the variables

2(x+9)-8=0

We multiply parentheses

2x+18-8=0

We add all the numbers together, and all the variables

2x+10=0

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

2x=-10

x=-10/2

x=-5

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