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
Lady_Fox [76]
3 years ago
9

Solving systems by substituting

Mathematics
1 answer:
Anestetic [448]3 years ago
4 0

Explanation:

4x+3y=37

y=x-4

4x+3(x-4)=37

4x+3x-12=37

add 12 to both sides

7x=49

x=7

Now you use plug in x

4(7)+3y=37

28+3y=37

subtract 28 to both sides

3y=9

y=3

answer: x=7 and y=3

You might be interested in
Find the simple interest, I, and the balance earned or due.
Furkat [3]
I=PRT
I=interest
P=principal
R=rate in deciaml
t=time in years

12 months per year



I=800(0.08)(9/12)
I=(64)(3/4)
I=48

interest earned is $48
8 0
3 years ago
PLS help plssss 30 points plssss and how how u know it’s math plssssss helppppp
gregori [183]

Answer:

2x + 6 = 45

Step-by-step explanation:

2x + 6 = 96

96 - 6 = 90

90 divided by 2x

= 45

hope this helps :)

7 0
3 years ago
Read 2 more answers
A cone is sliced such that the cross section is perpendicular to its base and the cross section intersects its vertex. What is t
Rashid [163]

Circle, A cone is made of circles that get smaller


5 0
4 years ago
Read 2 more answers
93-(-4)=97 I know the answer i just need to show how I figured it out
julsineya [31]
<h3>Hey there! </h3><h2>93- (-4) </h2><h2>Double negatives (-) makes a positive (+) </h2><h2>93 + 4  = 97 </h2><h2>97 = 97 </h2><h2>So, this makes this statement TRUE </h2><h3>Good luck on your assignment and enjoy your day! </h3><h3>~LoveYourselfFirst:)</h3>
7 0
3 years ago
11. Write the following number in word form: 0.43​
malfutka [58]

Answer: zero and forty three hundreths

Step-by-step explanation:

if you brake it down step by step to the end it is easy it goes to thousanths tenths and higher no lower than a tenth

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which statement is true regarding the graphed functions?<br> (Graph below)
    10·2 answers
  • 9 + 8r = −7 − 4(−r + 3)
    15·1 answer
  • PLS HELP ME NOW ITS PYTHAGOREAN THEOREM
    14·1 answer
  • Determine the independent variable in the statement:
    15·2 answers
  • A group of 5 friends is out to diner. Each of the friends is going to order the dinner special, and they have a coupon for $10 o
    5·2 answers
  • Line y=2x+3 is tangent to a circle with center (2,-3). Which of the length of the radius of the circle?​
    14·2 answers
  • What is 1/2 times 3/4 in fraction form?
    5·2 answers
  • At an assembly 7 out of the first 10 students who entered the gym were carrying a backpack. Based on this information, if 70 stu
    14·1 answer
  • If L (-5,4),M(2,2), N(0,-3), S(-7,-1), what is the length of diagonal LN
    11·1 answer
  • Select the correct answer.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!