Question 666305
Supplement angles equal 180.
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x = 8+3y
x+y=180
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Substitute x into the second equation
8 + 3y + y = 180
8 + 4y = 180
4y = 172
y = 43
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x = 3(43)+8 = 129 + 8 = 137
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Angles are {{{highlight(137)}}} and {{{highlight(43)}}}
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Check {{{cartoon(
137 + 43,
180)}}}
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