2.3x×2.8=−1.2x×9.82.3x\times 2.8=-1.2x\times 9.8
1
Simplify  2.3x×2.82.3x\times 2.8  to  (6.44)x(6.44)x.
6.44x=−1.2x×9.86.44x=-1.2x\times 9.8

2
Simplify  1.2x×9.81.2x\times 9.8  to  (11.76)x(11.76)x.
6.44x=−11.76x6.44x=-11.76x

3
Move all terms to one side.
6.44x+11.76x=06.44x+11.76x=0

4
Simplify  6.44x+11.76x6.44x+11.76x  to  18.2x18.2x.
18.2x=018.2x=0

5
Divide both sides by 18.218.2.
x=0x=0

Done

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