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1.3x+2.4x=-14.4
We move all terms to the left:
1.3x+2.4x-(-14.4)=0
We add all the numbers together, and all the variables
3.7x+14.4=0
We move all terms containing x to the left, all other terms to the right
3.7x=-14.4
x=-14.4/3.7
x=-3+1/1.1212121212121
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