12.4-2.8(8x+3)=-128

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Solution for 12.4-2.8(8x+3)=-128 equation: 



12.4-2.8(8x+3)=-128

We move all terms to the left:

12.4-2.8(8x+3)-(-128)=0

We add all the numbers together, and all the variables

-2.8(8x+3)+140.4=0

We multiply parentheses

-22.4x-8.4+140.4=0

We add all the numbers together, and all the variables

-22.4x+132=0

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

-22.4x=-132

x=-132/-22.4

x=5+10/11.2

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