0.4x+0.5x=0.3x+1.2

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Solution for 0.4x+0.5x=0.3x+1.2 equation: 



0.4x+0.5x=0.3x+1.2

We move all terms to the left:

0.4x+0.5x-(0.3x+1.2)=0

We add all the numbers together, and all the variables

0.9x-(0.3x+1.2)=0

We get rid of parentheses

0.9x-0.3x-1.2=0

We add all the numbers together, and all the variables

0.6x-1.2=0

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

0.6x=1.2

x=1.2/0.6

x=2

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