Answer:
<A=35
Step-by-step explanation:
70+x+79+x+39=180
2x+188=180
2x=-8
x=-8/2 or -4
<A=x+39
<A=-4+39
<A=35
Step-by-step explanation:
The slope-intercept form of an equation of a line:

<em>m</em><em> - slope</em>
<em>b</em><em> - y-intercept (0, b)</em>
<em />

linear; y = x – 2 is answer! pls mark me as brainliest i need only 2 more to rank up! Hope I Helped