Asked by Chris
What is the solution of this system?
2x + 3y = 32
11y − 2x = 52
A.
x = 3/2 , y = 5
B.
x = 4, y = 8
C.
x = 7, y = 6
D.
x = 10, y = 4
E.
x = 8, y = 16/3
2x + 3y = 32
11y − 2x = 52
A.
x = 3/2 , y = 5
B.
x = 4, y = 8
C.
x = 7, y = 6
D.
x = 10, y = 4
E.
x = 8, y = 16/3
Answers
Answered by
Reiny
You could just test each answer pair and see which works, but ...
just as quick to solve it
rewrite in the proper order
2x + 3y = 32
-2x + 11y = 52
just add them:
14y = 84
y = 6
looks like c)
let's confirem
sub y = 6 into 1st
2x +18 = 32
2x = 14
x = 7
YUP, it is c)
just as quick to solve it
rewrite in the proper order
2x + 3y = 32
-2x + 11y = 52
just add them:
14y = 84
y = 6
looks like c)
let's confirem
sub y = 6 into 1st
2x +18 = 32
2x = 14
x = 7
YUP, it is c)
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