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0.3x+0.7=-1.7
We move all terms to the left:
0.3x+0.7-(-1.7)=0
We add all the numbers together, and all the variables
0.3x+2.4=0
We move all terms containing x to the left, all other terms to the right
0.3x=-2.4
x=-2.4/0.3
x=-8
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