<span><span>the answer is 10<span>x^7</span></span><span>y<span>^2</span></span></span>
Equation of a line: y = mx + b
m = slope(rise/run), b = y-intercept
1/2
y = 1/2x - 3
-7/4
y = -7/4x +4
-1/2
y = -1/2x - 3
-1/4
y = -1/4x + 2
1
y = x
-1
y = -x
Step-by-step explanation:
Perimeter of the given triangle = x + x + x + 7 = (3x + 7) units.