Question 660735
x = 10 + {{{2/3}}}y
x+y = 90
...
10 + {{{2/3}}}y + y = 90
Multiply the entire equation by 3 to be rid of the fractions
...
30 + 2y + 3y = 270
Isolate y
5y = 270 - 30
5y = 240
{{{highlight_green(y = 48)}}} degrees (complement)
...
90 - 48
{{{highlight_green(x=42)}}} degree (angle)
.....................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
www.MyHomeworkAnswers.com