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
dmitriy555 [2]
2 years ago
8

Subsitution form y=3x 4x+2y=30

Mathematics
1 answer:
olga2289 [7]2 years ago
4 0

Answer:

4x+2(3x)=30

4x+6x=30

10x=30

/10. /10

x=3

You might be interested in
Simplify this expression: -5(c-3d + 1)
Amanda [17]

Answer:

-5c + 15d - 5

Step-by-step explanation:

1. Distribute the -5 from outside the paranthesis to the inside.

2. Keep in mind the negative signs when you're distributing.

3 0
3 years ago
Read 2 more answers
Why is it unimportant to have the same powers of 10 we multiplying and dividing in Scientific Notation
nikdorinn [45]
We only need to worry about the exponents
6 0
2 years ago
Read 2 more answers
NEED ASAP!!!
SVETLANKA909090 [29]

Answer:

D

Step-by-step explanation:

can i get a brainliest? its fine i just want one ;-;

4 0
3 years ago
Read 2 more answers
Given: a||b, and c||d, m∠4=45°<br> Find: the measures of angles 1, 2, and 3
Sophie [7]

Answer:

<2=45 degrees

Step-by-step explanation:

7 0
2 years ago
Compare. Use &gt;, &lt;, or = to complete the statement. | –10 | | 11 | A. &gt; B. = C. &lt;
mash [69]
Answer: |-10| < |11|

So choice C. is right.

hope this helps!
6 0
3 years ago
Read 2 more answers
Other questions:
  • 4.05E+9 In scientific notation ?
    10·1 answer
  • In a survey conducted by a polling​ company, 1100 adult americans were asked how many hours they worked in the previous week. ba
    11·1 answer
  • What’s 1\2 x 11\12 I’m sorry this may be an easy question but I just wanted to see if this really works
    11·1 answer
  • Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
    9·1 answer
  • HELPP PLEASEEEE THANK YOUUU MU FRIEND!
    6·1 answer
  • Which of the following represents DEPENDENT events?
    5·1 answer
  • Solve each system of equations. 2x + 3y = 3 3x + 5y = 6 o (4,1) Ob (0,1) (-3,3) Od (3-4)​
    15·1 answer
  • 3 1/2x 4 <br><br> Help I'm Failing Class
    11·2 answers
  • NAME THE LARGEST SIDE <br><br> NAME THE SMALLEST SIDE
    15·1 answer
  • Identify the domain and range of the relation.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!