0.3(4x-9)+0.4(5x-1)=2.1

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Solution for 0.3(4x-9)+0.4(5x-1)=2.1 equation: 



0.3(4x-9)+0.4(5x-1)=2.1

We move all terms to the left:

0.3(4x-9)+0.4(5x-1)-(2.1)=0

We add all the numbers together, and all the variables

0.3(4x-9)+0.4(5x-1)-2.1=0

We multiply parentheses

1.2x+2x-2.7-0.4-2.1=0

We add all the numbers together, and all the variables

3.2x-5.2=0

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

3.2x=5.2

x=5.2/3.2

x=1+2/3.2

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