Answer:
-1
Step-by-step explanation:
Answer:
they want you to find the error in the problem
Step-by-step explanation:
they want you to go through and find what they did wrong. You just have to correct the error they did, that is the question.
Answer:
Is there a diagram to this question?
Step-by-step explanation:
Answer:
adding both equations
4x+9y=5
-4x+7y=11
+ + =+
________
0 +16y=16
y=1
putting the value of y in first eqn
4x+9×1=5
4x=5-9
4x=-4
x=-1
so the x is -1 and y is 1