(x-1)+x=4(x+2)

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Solution for (x-1)+x=4(x+2) equation: 



(x-1)+x=4(x+2)

We move all terms to the left:

(x-1)+x-(4(x+2))=0

We add all the numbers together, and all the variables

x+(x-1)-(4(x+2))=0

We get rid of parentheses

x+x-(4(x+2))-1=0



We calculate terms in parentheses: -(4(x+2)), so:

4(x+2)

We multiply parentheses

4x+8

Back to the equation:

-(4x+8)



We add all the numbers together, and all the variables

2x-(4x+8)-1=0

We get rid of parentheses

2x-4x-8-1=0

We add all the numbers together, and all the variables

-2x-9=0

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

-2x=9

x=9/-2

x=-4+1/2

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