3(1x+5)=21-4(1x+5)

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Solution for 3(1x+5)=21-4(1x+5) equation: 



3(1x+5)=21-4(1x+5)

We move all terms to the left:

3(1x+5)-(21-4(1x+5))=0

We add all the numbers together, and all the variables

3(x+5)-(21-4(x+5))=0

We multiply parentheses

3x-(21-4(x+5))+15=0



We calculate terms in parentheses: -(21-4(x+5)), so:

21-4(x+5)

determiningTheFunctionDomain
-4(x+5)+21

We multiply parentheses

-4x-20+21

We add all the numbers together, and all the variables

-4x+1

Back to the equation:

-(-4x+1)



We get rid of parentheses

3x+4x-1+15=0

We add all the numbers together, and all the variables

7x+14=0

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

7x=-14

x=-14/7

x=-2

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