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2(3/4L-1) + 2(18) = 2L + 2(12)

2(3/4L-1) + 2(18) = 2L + 2(12)-example-1

1 Answer

5 votes

2(3/4L-1) + 2(18) = 2L + 2(12)

Distribute

3/2 L -2 +36 = 2L +24

Subtract 3/2 L from each side

-3/2 L-3/2L

-2+36 = 4/2L-3/2L +24

34 = 1/2L +24

Subtract 24 from each side

34-24 = 1/2 L +24-24

10 = 1/2L

Multiply each side by 2

10*2 =1/2L * 2

20 = L

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