(3+1)(5+3x)=15-2.5(x+4)

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Solution for (3+1)(5+3x)=15-2.5(x+4) equation: 



(3+1)(5+3x)=15-2.5(x+4)

We move all terms to the left:

(3+1)(5+3x)-(15-2.5(x+4))=0

We add all the numbers together, and all the variables

4(3x+5)-(15-2.5(x+4))=0

We multiply parentheses

12x-(15-2.5(x+4))+20=0



We calculate terms in parentheses: -(15-2.5(x+4)), so:

15-2.5(x+4)

determiningTheFunctionDomain
-2.5(x+4)+15

We multiply parentheses

-2.5x-10+15

We add all the numbers together, and all the variables

-2.5x+5

Back to the equation:

-(-2.5x+5)



We get rid of parentheses

12x+2.5x-5+20=0

We add all the numbers together, and all the variables

14.5x+15=0

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

14.5x=-15

x=-15/14.5

x=-1+0.5/14.5

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