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
Alex73 [517]
3 years ago
12

Two equations are given below:

Mathematics
1 answer:
jeka943 years ago
4 0
Siince 2nd equation is already equal a, subsitute b-2 for a in the other equation

b-2-3b=28
-2-2b=28
add 2 to both sides
-2b=30
divide both sides by -2
b=-15
sub back
a=b-2
a=-15-2
a=-17

(a,b)
(-17,-15)

3rd choice
You might be interested in
If x=3 substitute the value of x into the expression and simplify 3x+6
kotykmax [81]

Answer:

15

Step-by-step explanation:

Plug in 3 as x:

3x + 6

3(3) + 6

9 + 6

= 15

So, the simplified expression if x = 3 is 15

7 0
2 years ago
How do I do this ixl
svetlana [45]
The anwser that I know of is 6x+2
8 0
3 years ago
What is (3 plus 1/2) times 12
Fynjy0 [20]
9 is the answer!!!!!!!!!!!!!!!!!!!!!!
5 0
3 years ago
Read 2 more answers
I would appreciate this a lot if someone could help me with this.
VARVARA [1.3K]

Answer: 1 - 2 = u got this

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Twice the difference of a number and 3 is 5.​
Xelga [282]

Answer:

2(3-n)=5

Step-by-step explanation:

7 0
2 years ago
Other questions:
  • Write the equation of a line in slope-intercept form with the following information:
    5·1 answer
  • Write the sum of 3x^2 + x + 8 and x^2 - 9
    8·1 answer
  • Someone please help. Will mark brainliest!
    8·2 answers
  • Anybody who could help me with this
    10·2 answers
  • What is the answer of y=4x-6
    8·2 answers
  • I will give brainliest if right!!!!!!!!!!!<br><br><br>I am pretty sure its the first one
    14·1 answer
  • 4 times the quotient of 3 and 4
    11·1 answer
  • Can anyone help me wit this.
    11·2 answers
  • Answer quick for brainliest
    12·2 answers
  • How many kilometers are in 60 miles? Note: There are 1.609kms in 1mi.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!