285=7(x-40)+75

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Solution for 285=7(x-40)+75 equation: 



285=7(x-40)+75

We move all terms to the left:

285-(7(x-40)+75)=0



We calculate terms in parentheses: -(7(x-40)+75), so:

7(x-40)+75

We multiply parentheses

7x-280+75

We add all the numbers together, and all the variables

7x-205

Back to the equation:

-(7x-205)



We get rid of parentheses

-7x+205+285=0

We add all the numbers together, and all the variables

-7x+490=0

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

-7x=-490

x=-490/-7

x=+70

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