7x+9x=-144

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Solution for 7x+9x=-144 equation: 



7x+9x=-144

We move all terms to the left:

7x+9x-(-144)=0

We add all the numbers together, and all the variables

16x+144=0

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

16x=-144

x=-144/16

x=-9

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