Question 702707
x + y = 180 ==> supplementary angles have a sum of 180
x = {{{1/3}}}y
...
{{{1/3}}}y + y = 180
{{{(1/3)y + (3/3)y = 180}}}
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{{{(4/3)y = 180}}}
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y = {{{3/4}}}180
{{{highlight_green(y = 135)}}}
...
x + 135 = 180
{{{highlight_green(x = 45)}}}
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