1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
SashulF [63]
2 years ago
15

What mistake did this student make?

Mathematics
1 answer:
Novay_Z [31]2 years ago
7 0
X=-2 not 2.


EXPLANATION:

x-2y=12
-3x+y=-1
x-2y=12
2(-3x+y)=-1
x-2y=12
-6x+2y=-2
-5x=10
5x/-5=10/-5
x=-2
You might be interested in
What is 40% of 32?????????/
wel
The answer for ure question is 12.8
4 0
3 years ago
Read 2 more answers
Which vanable expression represents the word phrase?
Artyom0805 [142]
Try the first one, it looks right since it’s all in sequenced right
5 0
3 years ago
ANSWER TO BE NAMED BRAINLIEST, GET A THANK YOU , BE FRIEND REQUESTED ,
Dominik [7]

1500 i did the test

4 0
3 years ago
3x to the second power + 4x -7
slava [35]
:) ksskskskakakakakakaoaoaoa
6 0
2 years ago
Can someone help me with this question?​
WITCHER [35]
Sure the answer is obviously 9
7 0
3 years ago
Other questions:
  • A semicircle has a center at X and diameter WZ. The radius XY of the semicircle has a length of 2. The chord YZ has a length of
    13·1 answer
  • What is the slope of the equation -4x-7y=-14
    13·1 answer
  • The axis of the sphere below is 16 units in length. What is the surface area of the sphere?.
    12·2 answers
  • What is the value of x? <br> A. –19<br> B. 125<br> C. 19<br> D. 55
    11·1 answer
  • 2.4 times (-8.3) how much would it equal
    9·2 answers
  • Solve the following equation algebraically:
    5·2 answers
  • Witch expersson is equivalent to 4x-5?
    15·1 answer
  • Is this correct? pLeAsE lOoK aT tHe ImAgE bElOw!!! Have a great day!
    13·2 answers
  • Find the area and round to the nearest hundredth ????
    9·1 answer
  • CAN SOMEONE PLEASE HELP ME WITH THIS ITS DUE TODAY :)))
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!