Question 1103283
*[illustration fer3.JPG].
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.
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From the illustration,
{{{18+148+Z=180}}}
{{{Z=14}}}
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Also from the illustration,
{{{5x-y+3x+y+148=180}}}
{{{8x=32}}}
{{{x=4}}}
and
{{{5x-y=18}}}
{{{5(4)-y=18}}}
{{{-y=-2}}}
{{{y=2}}}