.7(x+3)=4(x+9)

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Solution for .7(x+3)=4(x+9) equation: 



.7(x+3)=4(x+9)

We move all terms to the left:

.7(x+3)-(4(x+9))=0

We multiply parentheses

0.7x-(4(x+9))+2.1=0



We calculate terms in parentheses: -(4(x+9)), so:

4(x+9)

We multiply parentheses

4x+36

Back to the equation:

-(4x+36)



We get rid of parentheses

0.7x-4x-36+2.1=0

We add all the numbers together, and all the variables

-3.3x-33.9=0

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

-3.3x=33.9

x=33.9/-3.3

x=-10+0.9/3.3

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