0.3x+1.8=0.4(x-15)-0.2

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Solution for 0.3x+1.8=0.4(x-15)-0.2 equation: 



0.3x+1.8=0.4(x-15)-0.2

We move all terms to the left:

0.3x+1.8-(0.4(x-15)-0.2)=0



We calculate terms in parentheses: -(0.4(x-15)-0.2), so:

0.4(x-15)-0.2

We multiply parentheses

0.4x-6-0.2

We add all the numbers together, and all the variables

0.4x-6.2

Back to the equation:

-(0.4x-6.2)



We get rid of parentheses

0.3x-0.4x+6.2+1.8=0

We add all the numbers together, and all the variables

-0.1x+8=0

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

-0.1x=-8

x=-8/-0.1

x=+80

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