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
White raven [17]
2 years ago
14

Solve for x: 81^ x-4=9^3xShow all work for brainliest

Mathematics
2 answers:
zalisa [80]2 years ago
7 0

Answer:

X=-8

Step-by-step explanation:

81^(x-4)=9^3x

(9^2)^(x-4)=9^3x

9^(2x-8)=9^3x

Same base socompare both sides

So 2x-8=3x

2x-3x=8

-x=8

X=-8

So the value of X is -8

guajiro [1.7K]2 years ago
5 0

Answer:

Solve for x by simplifying both sides of the equation, then isolating the variable.x≈−0.00413995,1.6090059

Step-by-step explanation:

You might be interested in
The sum of twice a number and 15 is grater the 3
NNADVOKAT [17]

Answer:

x>-6

Step-by-step explanation:

The expression you need to solve for this is: 2x+15>3

For now pretend that the > is a = and solve as you normally would for x.

Subtract 15 from both sides

2x=-12

Divide by 2

x=-6

Put the > back in

x>-6

4 0
2 years ago
1,3,5,7,9 what is the next term
Law Incorporation [45]

Answer:

11. This is counting only odd numbers, or counting by two starting with one.

5 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (2,-3) and (-3,7)
sveticcg [70]

Answer:

-1 + 4

Step-by-step explanation:

i did the math

5 0
2 years ago
PLESE HELP ME RN PLEASE
Alisiya [41]

Answer:

16+3x=22.75

22.75-16=6.75

6.75÷3=2.25=x

4 0
2 years ago
Can someone help me please with number 3?
Reil [10]

Answer:

The cost of 4 medium pizzas:

4 (x - 3)

Step-by-step explanation:

#3

x = the cost of a large pizza

medium pizza costs $3 less than a large pizza. So it's x - 3

If 4 medium pizzas then it will be: 4 (x - 3)

6 0
2 years ago
Other questions:
  • Solve the equation 3x+2=x+4(x+2)
    8·2 answers
  • How can you use what you know about square numbers to find the square root of a non-perfect square number
    13·1 answer
  • How many 3/8ths are in 3 3/4ths?
    5·2 answers
  • True or false: the line drawn within the box of the boxplot always represents the arithmetic mean.
    13·1 answer
  • What is the quotient of 1 and 2/3 divided by 4/5​
    15·2 answers
  • Suppose y varies directly as x, and y = 16 whenx = 8. Find y when x = 16.
    5·1 answer
  • If 80 students were surveyed, how many<br> preferred math?
    6·1 answer
  • $15.00 divided by 4 = ?
    10·2 answers
  • 1
    5·1 answer
  • Please help me with this question!!
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!