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
trasher [3.6K]
3 years ago
9

Help please due tonight

Mathematics
1 answer:
disa [49]3 years ago
6 0
(1) 2x + 3y = -1
(2) -2x + 4y = 8
(1) x 4 8x + 12y = -4
(2) x 3 -6x + 12y = 24
(2) - (1) -14x = 28
X = 28/-14 = -2
(Sub x into (1)) 2(-2) + 3y = -1
-4 + 3y = -1
3y = 3
Y = 1
You might be interested in
Simply 15 to the 18 power divide by 15 to the 3 power
andrew11 [14]
The property of exponents says that when you divide two exponents with the same base, you can keep the base and subtract the exponents. So you can do 18-3, which is 15, so it would be 15 to the 15th power
6 0
4 years ago
What is the fraction eight twentieths in its simplest form?
Nostrana [21]
Both the numerator and denominator are divisible by 4, meaning that when they are both divided by this number they wll be in their simplest form.

e.g. 8/4=2 and 20/4=5

Therefore the simplest form is 2/5
7 0
3 years ago
Can some one please help me complete this table?
8_murik_8 [283]

Answer: -1 would be -d

0 -> d

1 -> f

2 -> stays same

(if this is not the right answer I'm sorry because i learned this awhile ago

4 0
3 years ago
9328553.99 multiply by 10 the decimal will move one place to the left or two places to the left or one place to the right or two
VARVARA [1.3K]
93285539.900000000000
7 0
4 years ago
Solve for x.<br> 5(x + 1) = 4(x + 8)<br> O x = 37<br> O x = 17<br> O x = 7<br> O x = 27
mario62 [17]

Answer:

27

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Expand (x+2)(x2+x+1)​
    9·2 answers
  • Dustin has three lengths of rope: 3/4 yard long, 2/3 yard long, and 7/10 yard long. He needs at least 1 yard of rope. Which two
    13·2 answers
  • Find the distance traveled by a particle with position (x, y) as t varies in the given time interval. x = 5 sin2 t, y = 5 cos2 t
    12·1 answer
  • Which of the following is a disadvantage to using graphs and diagrams? Check all that apply.                                    
    5·2 answers
  • 6th grade math help me plzzz
    7·1 answer
  • The strength of magnetic field inside a<br> long current carrying straight solenoid is
    13·1 answer
  • A cyclist rode the first 30-mile portion of his workout at a constant speed. For the 24-mile cooldown portion of his workout, he
    14·1 answer
  • 4
    14·1 answer
  • Mia found the relationship between the quantities in the table. Her work is shown below. Multiply x by 5 to get y. A 2-column ta
    7·2 answers
  • En las olimpiadas matemáticas,la hora de inicio del evento se expresa en una ecuación simple: 2x+6=x+17 ¿A qué hora empezó el ev
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!