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
Brums [2.3K]
3 years ago
11

Solve the system by substitution. -5x+2y=-42 6x=y

Mathematics
1 answer:
Drupady [299]3 years ago
6 0

Step-by-step explanation:

since y=6x

by substitution

-5x+ 2 (6x)= -42

-5x+ 12x=-42

7x= - 42

divide both sides by 7

x= 6

y=6x

y =6*6

y=36

You might be interested in
I need help with 2 and 5 and I need you to right down how you did it plz and thank you
anastassius [24]
Number 5 is 22 and 35
For example: 7+1=8, 8+2 =10, 10+3=13, 13+4=17, 17+5=22, 22+6=28, 28+7=35
5 0
3 years ago
Gabriella ate 5 pieces of pie Daniel ate 2 slices if there was 3 reaming what fraction was the pie eaten
Simora [160]
10 total pieces of the pie
-5
-2
And only 3 remained so your answer would be
3/10
5 0
3 years ago
Read 2 more answers
In the coordinate plane, what is the length of the line segment that connects points at (0,-1) and (-7, -2)?
lilavasa [31]

Answer:100cm

Step-by-step explanation:

8 0
3 years ago
Find two numbers a and b such that a+b=0 and ab=36
PolarNik [594]

Answer:

b = 6i   then a = -6i

b = -6i   then a = 6i

Step-by-step explanation:

a+b=0

ab=36

a = -b

a(b) = 36

-b * b = 36

- b^2 = 36

b^2 = -36

Take the square root of each side

sqrt(b^2) = sqrt(-36)

b =± 6i

a = - (± 6i)

so b = 6i   then a = -6i

b = -6i   then a = 6i

4 0
3 years ago
PLZ HELPP expand and simplify by collecting like terms <br> -2(4x+2y)(2x-y)
svet-max [94.6K]

Answer:

-4( 4x^2 -y^2)

Step-by-step explanation:

so I did the step on the paper

first line : is the equation itself

2nd line : I multiple the term in the parentheses together

3rd line: I multiple the - 2 to the term I got

4th line : I simplify it

6 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP ME FOR EXTRA POINTS AND BRAINLIEST ANWSER
    11·1 answer
  • What are the prime numbers up until 100
    5·1 answer
  • Solve for v.<br>2 = 11 - 3v<br>v=​
    10·1 answer
  • Which set is closed under subtraction?
    6·2 answers
  • Write a formula to find the nth term of a geometric sequence -1/3,1/2,-3/4,9/8​
    13·1 answer
  • The Pythagorean Theorem ONLY works on which triangle? *
    15·1 answer
  • On avarage kayla drinks 3/4 of an 6 ounce glass of water 1/6 of an hour.How much water does she drink, in glasses per hour?
    7·2 answers
  • Pls help- REEEEEEEE ;-; just please help me I have one more question left
    8·2 answers
  • Y = -2x + 5 &amp; y = x - 1<br> Use the Equal Values Method to solve for x and y
    15·1 answer
  • (X+m)(c+n) if m=5 and n=-7
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!