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Vlad [161]
3 years ago
5

Write the following expression in standard form: (7x – 5) – (3x – 2)

Mathematics
1 answer:
dusya [7]3 years ago
5 0
First you have to combine like terms
(7x and 3x)
using the same sign (subtraction)
4x

then (5 and 2) also still using the same sign (subtraction)
3

4x-3
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Given ƒ(x) = 3x + 9, find x when ƒ(x) = 21.
Dima020 [189]
3x + 9 = 21
3x = 12
x = 4
7 0
3 years ago
Read 2 more answers
'Ciumane ananen<br> 32.50t + 5 = 28.75t + 20
gtnhenbr [62]

Answer:

The answer is 0.25

Step-by-step explanation:

(1)we group like terms by subtracting 32.50 by 28.75

(2) we subtract 20 and 5 to give us a value of 15

(3)when we subtract 32.50 and 28.75 we get a value of 3.75

(4)so the equation will look like this 3.75t = 15

(5)we divide 3.75 we both the two equations

(6)With a correct calculation, Your answer should be t = 0.25

6 0
3 years ago
Is (-2, -6) a solution to this system of equations? 3x + 18y = -14 15x − 7y = 12 yes no
soldi70 [24.7K]

Answer:

No

Step-by-step explanation:

Plug in (-2, -6) to see if it's the solution or not

3(-2) + 18(-6) ?  -14

-6  + ( -108) ? -14

-114 ≠ -14

Answer is NO

6 0
4 years ago
Write an<br> explicit formula for an, the nth term of the sequence 24, 28, 32, ....
noname [10]

Answer:

Given the sequence 20, 24, 28, 32, 36, . . . find the 60th term.

------

nth term pattern: a(n) = 20 + (n-1)4

60th term: a(60) = 20 + 59*4 = 256

Step-by-step explanation:

3 0
3 years ago
Plzzzzz help will give brainlyist
nikdorinn [45]

Answer:

5

Step-by-step explanation:

You do 12 x 3 which is 36.

you then do 1/3 x 3 which is 1.

36-1 is 35.

you then do 4x3 which is 12.

you then do 12-5 which is 7.

you then do 35÷7=5

this is why it is 5.

6 0
3 years ago
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