Answer:
14.8
Step-by-step explanation:
The answer is 11 cause the ratio will be L+Ratio
Answer:
x=3; y= -10
I will prefer addition of equation instead of substitution, but you asked how to substitute
Step-by-step explanation:
-x+y=-13
y=x-13
3x-(x-13)=19
3x-x+13=19
2x=6, x=3
-3+y=-13, y=-13+3, y=-10