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
just look at it and think hard. you got this you don't need to use brainly
Answer:
Answers are in bold in the explanation.
Step-by-step explanation:
1878 x 1000 = 187800
493 x 1000 = 493,000
73 x 1000 = 73000
8 x 1000 = 8000