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
lisabon 2012 [21]
2 years ago
6

5x + 4 = 7x i need help quick

Mathematics
1 answer:
anyanavicka [17]2 years ago
3 0
5x + 4 = 7x

Subtract 4 from both sides.

5x = 7x - 4

Subtract 7x from both sides.

5x - 7x = -4

Simplify.

-2x = -4

Divide both sides by -2.

x = 4/2

x = 2

~Hope I helped!~
You might be interested in
Plz help I will mark branliest
anzhelika [568]

The last one.

........

6 0
2 years ago
Solve the System using elimination. <br><br> 5x-2y=15<br> 7x+7y=-28
steposvetlana [31]

Answer:

x=1 y=-5

Step-by-step explanation:

7(5x-2y=15) --->      35x-14y=105

2(7x+7y=-28) -->  + <u>14x+14y=-56</u>

                               49x=49  --->x=1

5(1)-2y=15 ---> 5-2y=15 ---> -2y=10 ---> y=-5

8 0
3 years ago
The radius of a circle is 4 feet. What is the length of a 90° arc? HELP ME PLEASE
Elza [17]

Answer:

6.3feet

Step-by-step explanation:

Given data

Radius= 4feet

The expression for the circumference of a circle is

C= 2πr

Substitute

C=2*3.142*4

C=25.136 feet

Also, a 90° arc is 1/4 of the circumference of a circle

Hence the length of the 90° arc is

=25.136/4

=6.284 feet

=6.3feet

4 0
2 years ago
Find x and y when bxby = b8 and b4xb-2y=b2​
Anika [276]

Answer:

x = 1/y

Step-by-step explanation:

6 0
3 years ago
What percentage of $15 is 75 cent​
Aleks04 [339]

Answer: What percentage is 15 out of 75?

20

Percentage Calculator: 15 is what percent of 75? = 20.

5 0
2 years ago
Read 2 more answers
Other questions:
  • a container holds 15 pennies 8 nickels and 10 dimes you will randomly select two coins without replacement what is the probabili
    14·1 answer
  • For the function f defined by f(x)=5x−12 find f(−x),−f(x), and −f(−x).
    15·1 answer
  • The price of a gallon of milk was $2.65 the price Rose y dollars the price dropped $0.15Rose by $0.05 which expression represent
    6·1 answer
  • HELP PLEASE MATH :((((
    6·1 answer
  • Which statement is true about lines a and b?
    11·1 answer
  • For what value of k, do the equations 2x – 3y + 10 = 0 and 3x + ky + 15 = 0 represent coincident lines
    13·1 answer
  • The weight, in pounds, of a newborn baby tt months after birth can be modeled by W.W. The table below has select values showing
    12·1 answer
  • Can some one please help me with this thank you
    9·2 answers
  • What is the area of the figure?
    9·1 answer
  • . Shawn gets an allowance of $18 each week and his sister Natasha gets an allowance of $9 each week. Shawn saves 1/2 of his allo
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!