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1.29(4)+0.79x=9.
We move all terms to the left:
1.29(4)+0.79x-(9.)=0
We add all the numbers together, and all the variables
0.79x+1.294-9=0
We add all the numbers together, and all the variables
0.79x-7.706=0
We move all terms containing x to the left, all other terms to the right
0.79x=7.706
x=7.706/0.79
x=9+0.596/0.79
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