3x+(1.2x+2)/0.4=-5

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Solution for 3x+(1.2x+2)/0.4=-5 equation: 



3x+(1.2x+2)/0.4=-5

We move all terms to the left:

3x+(1.2x+2)/0.4-(-5)=0

We add all the numbers together, and all the variables

3x+(1.2x+2)/0.4+5=0

We multiply all the terms by the denominator


3x*0.4+(1.2x+2)+5*0.4=0

We add all the numbers together, and all the variables

3x*0.4+(1.2x+2)+2=0

Wy multiply elements

1.2x+(1.2x+2)+2=0

We get rid of parentheses

1.2x+1.2x+2+2=0

We add all the numbers together, and all the variables

2.4x+4=0

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

2.4x=-4

x=-4/2.4

x=-1+1/1.5

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