Answer:
Step-by-step explanation:
7x-=6x-9
7x=6x-9
7x+9=6x-9+9
7x+9=6x
7x+6x=9
13x=9
X=0.69
y=(-2x)+5
(x^2)-4
expand using the distributive property of multiplication
39
We can use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
15^2 + 36^2 = c^2
225+1296 = c^2
1521 = c^2
Take the square root of each side
39 = c
x/12
.