Solve for x
x=2.8
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0.8+x=1.2\times 3
Multiply both sides by 3.
0.8+x=3.6
Multiply 1.2 and 3 to get 3.6.
x=3.6-0.8
Subtract 0.8 from both sides.
x=2.8
Subtract 0.8 from 3.6 to get 2.8.
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