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
Novosadov [1.4K]
3 years ago
8

Solve the system of equations -2x+y=5 x-3y=-30

Mathematics
1 answer:
EastWind [94]3 years ago
5 0
-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60

-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5 
-2x=-6 so x=3 

y=11 and x=3 
You might be interested in
Math 7 Grade 7. Can anyone help me answer these questions?
zaharov [31]
1. What is the opposite of -2?  2

2. When we add opposites together they will always equal = ? 0

This is also known as what ?
additive inverse 

Adding with integers with SAME signs.

-8 + -3 = -11

-12 + -15 = -27

-3 + -9 + -25 = -37
6 0
3 years ago
Malika responded that the value of t in the equation, t3 = 64/27 is 8/3. Explain why you agree or disagree with Malika. Justify
Minchanka [31]

Answer:

divide 64/8 and 27/9 to arrive at 8/3 for 64/27

3 0
3 years ago
6 helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
jeka94
A) 15
B) 4
C) 225
D) 450
8 0
3 years ago
Read 2 more answers
How do you estimate the first digit of the quotient
Ray Of Light [21]
If the number is 5 or greater you round it up 
if its four or less you round down

3 0
3 years ago
Describe fully the single transformation that takes shape P to the shape Q
Fantom [35]

Answer:

Enlargement by a scale factor of 3 centre (1,0)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • The angle 01 is located in Quadrant I, and sin(01)=1/2 what is the value of cos(01)
    12·1 answer
  • Select the correct answer from the drop-down menu.
    13·1 answer
  • Can we conclude that these two triangles are congruent?
    14·1 answer
  • Is 11 over 128 equal to a terminating decimal or repeating decimal
    10·1 answer
  • Graph the inequality. 14
    13·1 answer
  • 4-3x > 2x -1 what does it need to be to be greater or less than I guess
    8·1 answer
  • Evaluate (if possible) the sine, cosine, and tangent of the real number. (If not possible, enter IMPOSSIBLE.)
    5·1 answer
  • What is the domain of the line in inequality form?
    14·1 answer
  • GEOMETRY please help soon due in an hour
    10·1 answer
  • HELPPPP <br>y=1/8x+3 in standard form​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!