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Solnce55 [7]
2 years ago
13

Slove: 3x + 4 - 2x - x = 4x - 5​

Mathematics
2 answers:
MAXImum [283]2 years ago
8 0

Answer:

×=3

Step-by-step explanation:

you have to do 3×-2×=1x

and than the formal look like ×+4=4×-5

and move × to other side so that become 3x

and move 5 to +5 so that become 9

the formal look like 9=3×

and divide 3/9 is your answer

×=3

egoroff_w [7]2 years ago
8 0

Answer:

9/4 = x

Step-by-step explanation:

Combine the similar terms together on each side

similar terms being the same variable or just lone numbers

So:

3x + 4 -2 x - x = 4x - 5

3x -2x -x +4 = 4x -5

0x +4 = 4x -5

4 = 4x - 5

Next, make the variable term by itself on one side

So

4 = 4x -5

9 = 4x

9/4 = x

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A pack of pencils, p, costs $1.99. A school buys $129.35 worth of pencils.
rosijanka [135]

Answer:

p=65. the value of p is the amount of pencils packs.

Step-by-step explanation:

1.99p=129.35

129.35/1.99=65

6 0
2 years ago
Which is the slope of the line y= -3x + 2?​
zavuch27 [327]

Answer:

slope is m

y = mx + b is your standard formula

slope = -3

Step-by-step explanation:

7 0
3 years ago
WILL MARK BRAINLIST
Elan Coil [88]
1. The first 10 multiples of 13 are 13, 26, 39, 52, 65, 78, 91, 104, 117, and 130.
2. x - 5
3. x + 80
5 0
3 years ago
Write x2 - 8x + 13 = 0 in the form (x - a)2 = b, where a and b are integers. a.)(x - 4)2 = 3 b.) (x - 3)2 = 2 c.)(x - 2)2 = 1 d.
loris [4]
The answer is <span>a.)(x - 4)2 = 3.

(x - a)</span>² = b can be expressed as:
x² - 2ax + a² = b                                 ⇒ x² - 2ax + a² - b = 0

Our equation is                x² - 8x + 13 = 0.
The general formula is    x² - 2ax + (a² - b) = 0

Thus:
8x = 2ax    and a² - b = 13

Divide both sides of the first equation (8x = 2ax) by x:
8 = 2a           ⇒ a = 8 ÷ 2 = 4

Replace a in the second equation (a² - b = 13):
4² - b = 13     ⇒ b = 4² - 13 = 16 - 13 = 3

Now when we have a and b, let's just replace them in the general equation:
(x - a)² = b
(x - 4)² = 3
4 0
2 years ago
To make cheesecake you need about 21/2pounds of creamcheese how many pounds of cream cheese will you need to make 2 cheesecakes
Elina [12.6K]
2 1/2 pounds of cream cheese for a cheesecake
to find the amount needed to make 2 cheesecakes multiply 2 1/2 times 2
2 1/2 times 2 = 5
you need 5 pounds of cream cheese to make 2 cheesecakes
6 0
2 years ago
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