H = 42 + L
H + L = 138
42 + L + L = 138
2L = 138 - 42
2L = 96
L = 48
lowest is 48
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asked • 11/04/14On an algebra test, the highest grade was 42 points higher than the lowest grade. The sum of the two grades was 138. Find the lowest grade.
I need the answer in equation form
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Melanie L.
Where do the 2 Ls come from in your 3rd step01/22/21