0.4(x+20)=8+0.25(x-12)

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Solution for 0.4(x+20)=8+0.25(x-12) equation: 



0.4(x+20)=8+0.25(x-12)

We move all terms to the left:

0.4(x+20)-(8+0.25(x-12))=0

We multiply parentheses

0.4x-(8+0.25(x-12))+8=0



We calculate terms in parentheses: -(8+0.25(x-12)), so:

8+0.25(x-12)

determiningTheFunctionDomain
0.25(x-12)+8

We multiply parentheses

0.25x-3+8

We add all the numbers together, and all the variables

0.25x+5

Back to the equation:

-(0.25x+5)



We get rid of parentheses

0.4x-0.25x-5+8=0

We add all the numbers together, and all the variables

0.15x+3=0

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

0.15x=-3

x=-3/0.15

x=-20

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