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Roberto(not real name)
Questions (1)
What is 2x-9 4x+12 in Supplementary form
2 answers
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Answers (2)
2x-9 4x+12=180 +9 -12 6x=177 x=29.5 2(29.5)-9=50 4(29.5)+12=130 =180
4x+7 + 2x-1=180 6x=172 Round up from 28.6 x=29 4(29)+7=123 2(29)-1=57
