Answer:
D. ( 1.9 , -3.7)
Step-by-step explanation:
Given
x + y = - 1.8.......equation 1
y = 2x - 7.5 .......equation 2
putting equation 2 in equation 1
x + 2x - 7.5 = -1.8
3x = - 1.8 + 7.5
3x = 5.7
x = 5.7 / 3
x = 1.9
Now
y = 2* 1.9 - 7.5
= 3.8 - 7.5
= -3.7
