0.4(10x+20)=3.9(0.2x+5)

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Solution for 0.4(10x+20)=3.9(0.2x+5) equation: 



0.4(10x+20)=3.9(0.2x+5)

We move all terms to the left:

0.4(10x+20)-(3.9(0.2x+5))=0

We multiply parentheses

4x-(3.9(0.2x+5))+8=0



We calculate terms in parentheses: -(3.9(0.2x+5)), so:

3.9(0.2x+5)

We multiply parentheses

0x+19.5

We add all the numbers together, and all the variables

x+19.5

Back to the equation:

-(x+19.5)



We get rid of parentheses

4x-x-19.5+8=0

We add all the numbers together, and all the variables

3x-11.5=0

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

3x=11.5

x=11.5/3

x=3+2.5/3

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