Solve for x
x=-1020
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300\times 2=1620+x
Multiply both sides by 2.
600=1620+x
Multiply 300 and 2 to get 600.
1620+x=600
Swap sides so that all variable terms are on the left hand side.
x=600-1620
Subtract 1620 from both sides.
x=-1020
Subtract 1620 from 600 to get -1020.
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