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
qwelly [4]
2 years ago
15

Solve by substitution y=2x-1 y=3x+1

Mathematics
1 answer:
kupik [55]2 years ago
3 0
Answer: x = -2

Step-by-Step Explanation:

Since the two expressions both equal y, you can set them equal to each other.

2x-1 = 3x+1

Subtract 2x from both sides.

-1 = x+1

Subtract 1 from both sides.

-2 = x

You might be interested in
Given: , ∠DAC ≅ ∠BCA Prove: ∆ADC ≅ ∆CBA Look at the proof. Name the postulate you would use to prove the two triangles are congr
Zolol [24]

Answer:

  SAS Postulate

Step-by-step explanation:

The contributors to the proof are listed in the left column. They consist of a congruent Side, a congruent Angle, and a congruent Side. The SAS Postulate is an appropriate choice.

6 0
3 years ago
55% of 387 is what number?
yarga [219]

Answer:

212.85

Step-by-step explanation:

55% = \frac{55}{100} = 0.55

55% of 387 = 0.55 × 387 = 212.85

6 0
3 years ago
Read 2 more answers
What is the slope of the line represented by the equation y= x/6-5?
Alexxandr [17]
Slope of <span>y= x/6-5 = 1/6</span>
4 0
2 years ago
Find the tenth term in the sequence. First, I need the sequence generator. Then, I want an equation. (Should be T(N) = MN + B if
anyanavicka [17]

Answer:

These numbers are the Powers of Two

 

Beginning with term #1 = 2, the next term is always 2 times the PRECEDING term.

Second term is two squared, or 2 times 2, namely four.

Third term, multiply that four by two, giving eight, also known as two cubed.

Fourth term is twice as much, namely sixteen.

 

Just keep on doubling!

Step-by-step explanation:

3 0
2 years ago
The hot air balloon is at 175ft and the fish is swimming at -10 feet what is the difference between them?
pashok25 [27]
The answer is 165 ft because 175- -10= 165
8 0
2 years ago
Read 2 more answers
Other questions:
  • What is the equation for the line of reflection that maps the trapezoid onto itself?
    6·2 answers
  • Solve for x:<br> Sin(2x-15)=Cos(x-12)
    6·1 answer
  • 7. Cassidy's family is driving home
    11·1 answer
  • Please help!<br> What is g(f(4))=(g o f)(-2)=?<br> A.21<br> B.23<br> C.25<br> D.27
    6·1 answer
  • Marlin's marble jar had 36 red marbles and 64 blue marbles. What was the ratio of red marbles to blue marbles in the jar?
    12·2 answers
  • Please help out with this if you can.
    10·1 answer
  • Is (-3, 2) a solution of 72 +9y &gt; -3?
    15·1 answer
  • Explain how solving -7y &gt; 161 is different from solving 7y &gt; -161.
    14·1 answer
  • In the rectangle below, JN=2x+7, KN=5x+1, and m∠NKJ = 59
    5·1 answer
  • Math To Do, Ready
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!