3x+8=9-4x

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Solution for 3x+8=9-4x equation:



3x+8=9-4x
We move all terms to the left:
3x+8-(9-4x)=0
We add all the numbers together, and all the variables
3x-(-4x+9)+8=0
We get rid of parentheses
3x+4x-9+8=0
We add all the numbers together, and all the variables
7x-1=0
We move all terms containing x to the left, all other terms to the right
7x=1
x=1/7
x=1/7

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