1.2(x+.9)+0.9x=0.3(x+1)+4.38

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Solution for 1.2(x+.9)+0.9x=0.3(x+1)+4.38 equation: 



1.2(x+.9)+0.9x=0.3(x+1)+4.38

We move all terms to the left:

1.2(x+.9)+0.9x-(0.3(x+1)+4.38)=0

We add all the numbers together, and all the variables

1.2(x+0.9)+0.9x-(0.3(x+1)+4.38)=0

We add all the numbers together, and all the variables

0.9x+1.2(x+0.9)-(0.3(x+1)+4.38)=0

We multiply parentheses

0.9x+1.2x-(0.3(x+1)+4.38)+1.08=0



We calculate terms in parentheses: -(0.3(x+1)+4.38), so:

0.3(x+1)+4.38

We multiply parentheses

0.3x+0.3+4.38

We add all the numbers together, and all the variables

0.3x+4.68

Back to the equation:

-(0.3x+4.68)



We add all the numbers together, and all the variables

2.1x-(0.3x+4.68)+1.08=0

We get rid of parentheses

2.1x-0.3x-4.68+1.08=0

We add all the numbers together, and all the variables

1.8x-3.6=0

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

1.8x=3.6

x=3.6/1.8

x=2

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