7(2-x)=4(9-x)

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Solution for 7(2-x)=4(9-x) equation: 



7(2-x)=4(9-x)

We move all terms to the left:

7(2-x)-(4(9-x))=0

We add all the numbers together, and all the variables

7(-1x+2)-(4(-1x+9))=0

We multiply parentheses

-7x-(4(-1x+9))+14=0



We calculate terms in parentheses: -(4(-1x+9)), so:

4(-1x+9)

We multiply parentheses

-4x+36

Back to the equation:

-(-4x+36)



We get rid of parentheses

-7x+4x-36+14=0

We add all the numbers together, and all the variables

-3x-22=0

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

-3x=22

x=22/-3

x=-7+1/3

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