0.8(10x+21)=4(0.2x+5)

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Solution for 0.8(10x+21)=4(0.2x+5) equation: 



0.8(10x+21)=4(0.2x+5)

We move all terms to the left:

0.8(10x+21)-(4(0.2x+5))=0

We multiply parentheses

8x-(4(0.2x+5))+16.8=0



We calculate terms in parentheses: -(4(0.2x+5)), so:

4(0.2x+5)

We multiply parentheses

0x+20

We add all the numbers together, and all the variables

x+20

Back to the equation:

-(x+20)



We get rid of parentheses

8x-x-20+16.8=0

We add all the numbers together, and all the variables

7x-3.2=0

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

7x=3.2

x=3.2/7

x=2.6666666666667/5.8333333333333

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