3 years ago

7x - 12 - 3x = 2(2x + 5) Solve for 15 Points

Mathematics

2 answers:

emmainna [20.7K]3 years ago

8 0

Answer:

x = Ø

Step-by-step explanation:

7x - 12 - 3x = 2(2x + 5)

4x - 12 = 4x + 10

4x = 4x + 22

0x = 22

x = Ø

Hope this helps dude

77julia77 [94]3 years ago

6 0

Null x can’t be found making the equation undefined

You might be interested in

Which is the GCF of 36 and 90?

Travka [436]

Answer:

The GCF of 36 and 90 is 18

3 0

3 years ago

Read 2 more answers

An algebra book weighs 6 oz less

Mashcka [7]

Answer:

Algebra book weighs 24 oz

Grammar book weighs 15 oz

Step-by-step explanation:

algebra = x and grammar = y

x = 2y-6

5x = 8y

5(2y-6) = 8y

10y - 30 = 8y

2y - 30 = 0

2y = 30

y = 15

x = 2(15)-6

x = 30-6

x = 24

8 0

3 years ago

Lawrence's parents pay him a base allowance of $20 per week and $3.55 per hour for extra chores he completes. Mrs. Johnson pays

sergey [27]

Answer:

7.15x + 3.55y + 20 = weekly income

Step-by-step explanation:

7.15x + 3.55y + 20 = weekly income

6 0

3 years ago

To solve the equation w/8 - 4 = 20, you would first add 4 to each side and then divide each side by 8.

bearhunter [10]

False because, you DO add 4 to the sides but you would multiply the 8 because you to the opposite to cancel it out

4 0

3 years ago

Read 2 more answers

PLEaSE give me. an answer

pishuonlain [190]

Answer:

40 inches

Step-by-step explanation:

3 0

3 years ago