2j+5j-7=7(2j+9)

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Solution for 2j+5j-7=7(2j+9) equation: 



2j+5j-7=7(2j+9)

We move all terms to the left:

2j+5j-7-(7(2j+9))=0

We add all the numbers together, and all the variables

7j-(7(2j+9))-7=0



We calculate terms in parentheses: -(7(2j+9)), so:

7(2j+9)

We multiply parentheses

14j+63

Back to the equation:

-(14j+63)



We get rid of parentheses

7j-14j-63-7=0

We add all the numbers together, and all the variables

-7j-70=0

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

-7j=70

j=70/-7

j=-10

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