.8(10x+21)=4.3(.2x+5)

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Solution for .8(10x+21)=4.3(.2x+5) equation: 



.8(10x+21)=4.3(.2x+5)

We move all terms to the left:

.8(10x+21)-(4.3(.2x+5))=0

We multiply parentheses

8x-(4.3(.2x+5))+16.8=0



We calculate terms in parentheses: -(4.3(.2x+5)), so:

4.3(.2x+5)

We multiply parentheses

4.3x+21.5

Back to the equation:

-(4.3x+21.5)



We get rid of parentheses

8x-4.3x-21.5+16.8=0

We add all the numbers together, and all the variables

3.7x-4.7=0

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

3.7x=4.7

x=4.7/3.7

x=1+1/3.7

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