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0.79x+21=1.49
We move all terms to the left:
0.79x+21-(1.49)=0
We add all the numbers together, and all the variables
0.79x+19.51=0
We move all terms containing x to the left, all other terms to the right
0.79x=-19.51
x=-19.51/0.79
x=-24+0.55/0.79
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