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
zloy xaker [14]
3 years ago
11

Solve the equation 6x+7x−3x=13+7. Be sure to check your proposed solution by substituting it for the variable in the original eq

uation.
Mathematics
1 answer:
DerKrebs [107]3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

6x+7x−3x=13+7

10x=20

x=20/10

x=2

You might be interested in
A number is 4 hundred more than 14 2 . what is the number?
egoroff_w [7]
n=number \\  \\ n=400+142 \\  \\ n=542
7 0
2 years ago
The ratio of the heights of two similar pyramids is 3:2. The volume of the larger pyramid is 135 cm3. What is the volume of the
gladu [14]
l-larger\\s-smaller\\\\\dfrac{h_l}{h_s}=\dfrac{3}{2}\to\dfrac{V_l}{V_s}=\left(\dfrac{3}{2}\right)^3\\\\V_l=135\ cm^3.\\subtitute\\\\\dfrac{135}{V_s}=\dfrac{27}{8}\ \ \ \ |cross\ multiply\\\\27V_s=135\cdot8\\\\27V_s=1080\ \ \ |divide\ both\ sides\ by\ 27\\\\\boxed{V_s=40\ (cm^3)}
3 0
3 years ago
Find x<br>13+6+2x-18=4x-29​
Alla [95]

Answer:

x = 15

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the lateral area of this square<br> based pyramid.<br> 10<br> ft<br> 10 ft<br> [ ? jft?
german

Answer:

200. 200 200 200 200 200 is the answer

6 0
3 years ago
Read 2 more answers
Jimmy spent 33 on Amazon. This was 4 more than of the amount of money Shane spent. Which equation best represents the amount of
mezya [45]

Answer:

33/4=8.25

So the best way to do it is 33 divided by 4. That equals 8.25.

5 0
1 year ago
Other questions:
  • Which are the solutions of x2 = –5x + 8? StartFraction negative 5 minus StartRoot 57 EndRoot Over 2 EndFraction comma StartFract
    8·2 answers
  • What time will it be 20 minutes after 3:30p.m
    6·2 answers
  • Ways to solve a division problem
    14·1 answer
  • The circled ones please need to know asap
    5·1 answer
  • Please help! brainliest, rattings, thanks ect, the attachment is posted below
    15·1 answer
  • A cylinder has a radius of 8 cm and a height of 14 cm.
    6·1 answer
  • Help me with this math problem i don’t understand it
    10·1 answer
  • -Mondays 10 points<br> -Wednesdays 10 points<br> -Fridays 30points<br> -Sundays 10 points
    8·2 answers
  • Calculate<br> 8 - 72 - 8+8-6
    9·2 answers
  • Reduce the ratio to its lowest form.<br> 42 : 49
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!