Solve for L
L=435
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290\times 3=2L
Multiply both sides by 3.
870=2L
Multiply 290 and 3 to get 870.
2L=870
Swap sides so that all variable terms are on the left hand side.
L=\frac{870}{2}
Divide both sides by 2.
L=435
Divide 870 by 2 to get 435.
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