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3.4x-1.2x-7-9=5*
We move all terms to the left:
3.4x-1.2x-7-9-(5*)=0
We add all the numbers together, and all the variables
3.4x-1.2x-7-9-0=0
We add all the numbers together, and all the variables
2.2x-16=0
We move all terms containing x to the left, all other terms to the right
2.2x=16
x=16/2.2
x=7+0.6/2.2
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