8x+9=4x-57

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Solution for 8x+9=4x-57 equation: 



8x+9=4x-57

We move all terms to the left:

8x+9-(4x-57)=0

We get rid of parentheses

8x-4x+57+9=0

We add all the numbers together, and all the variables

4x+66=0

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

4x=-66

x=-66/4

x=-16+1/2

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