0.4(x-20)+4=0.3(x-10)-6

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Solution for 0.4(x-20)+4=0.3(x-10)-6 equation: 



0.4(x-20)+4=0.3(x-10)-6

We move all terms to the left:

0.4(x-20)+4-(0.3(x-10)-6)=0

We multiply parentheses

0.4x-(0.3(x-10)-6)-8+4=0



We calculate terms in parentheses: -(0.3(x-10)-6), so:

0.3(x-10)-6

We multiply parentheses

0.3x-3-6

We add all the numbers together, and all the variables

0.3x-9

Back to the equation:

-(0.3x-9)



We add all the numbers together, and all the variables

0.4x-(0.3x-9)-4=0

We get rid of parentheses

0.4x-0.3x+9-4=0

We add all the numbers together, and all the variables

0.1x+5=0

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

0.1x=-5

x=-5/0.1

x=-50

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