0.8(x+4)-0.3x=0.4(30)

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Solution for 0.8(x+4)-0.3x=0.4(30) equation: 



0.8(x+4)-0.3x=0.4(30)

We move all terms to the left:

0.8(x+4)-0.3x-(0.4(30))=0

We add all the numbers together, and all the variables

0.8(x+4)-0.3x-(0.43)=0

We add all the numbers together, and all the variables

-0.3x+0.8(x+4)-0.43=0

We multiply parentheses

-0.3x+0.8x+3.2-0.43=0

We add all the numbers together, and all the variables

0.5x+2.77=0

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

0.5x=-2.77

x=-2.77/0.5

x=-5+0.27/0.5

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