3x+9=-4+16

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Solution for 3x+9=-4+16 equation: 



3x+9=-4+16

We move all terms to the left:

3x+9-(-4+16)=0

We add all the numbers together, and all the variables

3x+9-12=0

We add all the numbers together, and all the variables

3x-3=0

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

3x=3

x=3/3

x=1

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