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0.4+4x=0.7-2x
We move all terms to the left:
0.4+4x-(0.7-2x)=0
We add all the numbers together, and all the variables
4x-(-2x+0.7)+0.4=0
We get rid of parentheses
4x+2x-0.7+0.4=0
We add all the numbers together, and all the variables
6x-0.3=0
We move all terms containing x to the left, all other terms to the right
6x=0.3
x=0.3/6
x=0.3/6
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