7x+1+2x+4=12

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Solution for 7x+1+2x+4=12 equation:



7x+1+2x+4=12
We move all terms to the left:
7x+1+2x+4-(12)=0
We add all the numbers together, and all the variables
9x-7=0
We move all terms containing x to the left, all other terms to the right
9x=7
x=7/9
x=7/9

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