40=-1.3(9x+30)+2

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Solution for 40=-1.3(9x+30)+2 equation: 



40=-1.3(9x+30)+2

We move all terms to the left:

40-(-1.3(9x+30)+2)=0



We calculate terms in parentheses: -(-1.3(9x+30)+2), so:

-1.3(9x+30)+2

We multiply parentheses

-11.7x-39+2

We add all the numbers together, and all the variables

-11.7x-37

Back to the equation:

-(-11.7x-37)



We get rid of parentheses

11.7x+37+40=0

We add all the numbers together, and all the variables

11.7x+77=0

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

11.7x=-77

x=-77/11.7

x=-6+3.7777777777778/6.5

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