2(x+28)=10.4
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2(x+28)=10.4
2(x+28)=10.4
2(x+28)=10.4
2(x+28)=10.4
(x+28)=10.4÷2
x+28=5.4
x=5.4-28
x=-22.6
2(x+28)=10.4(x+28=10.4➗2
x+28=5.4
x=22.6
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