Answer:
x = 1, y = -2
Step-by-step explanation:
2x + 5y + 11 = 0 --- Equation 1
3x - y - 8 = 0
15x - 5y - 40 = 0 --- Equation 2
Equations 1+2: 2x + 5y + 11 + 15x - 5y - 40 = 0 + 0
17x - 29 = 0
17x = 29
x = 29 ÷ 17
x = 1
Substitute x = 1 into Equation 1:
2x + 5y + 11 = 0
2(1) + 5y + 11 = 0
3 + 5y = -11
5y = -11 - 3
= -14
y = -14 ÷ 5
y = -2
24%
45 + 37 + 52 + 94 + 72 = 300
72/300 = 0.24 x 100
= 24%
11
140-129=11
y=0
m=y change in y/change in x
2+3/-2+2 = 5/0
3x+5=(x+x)+.3 is the answer