dannybueno230 dannybueno230

02-09-2018
Mathematics

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syoung132 syoung132

02-09-2018

The answer is 22. supplementary means is is the two equations added together equal 180. so then you just plug it in for x. abc=60 and def=120

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andreaaa6 andreaaa6

02-09-2018

8x-4=180 so x=23
ABC is 63
DEF is 117

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