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TEA [102]
2 years ago
12

7x= -56 Im stumped plz help ;-;

Mathematics
1 answer:
AlexFokin [52]2 years ago
4 0

Answer: x= -8

Step-by-step explanation: 7x=-56. The goal is to find just 1x. To do this, you need to divide both sides by 7. So 7x divided by 7 is x, and -56 divided by 7 is -8. So x= -8.

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Hey yall sorry that im pretty stupid but can you answer this whats 9x = 7 ( x + 2)
Yuliya22 [10]

Answer:

x=7

Step-by-step explanation:

1. Distribute

2. Subtract 7x from both sides of the equation

3. Simplify

4. Divide both sides of the equation by the same term

5. Simplify

Answer: x=7

5 0
3 years ago
Read 2 more answers
Sally is making bouquets of flowers with the ratio of red to white flowers being 2:3. If Sally used 12 red flowers, how many whi
alexandr402 [8]

Answer:

18 white flowers

Step-by-step explanation:

We are given ratio:

Red : White

2 : 3

If Sally used 12 red flowers, how many white flowers will she use?

Let the number of white flowers Sally uses be represented by x

This is calculated as:

2/3 = 12/x

Cross Multiply

2 × x = 3 × 12

x = 3 × 12/2

x = 18 white flowers

Therefore, if Sally used 12 red flowers, the number of white flowers will she use is 18 white flowers.

8 0
3 years ago
Jenny is cooking a chicken for dinner. A chicken needs be cooked for 40 minutes per kilogram, plus an extra 20 minutes. How long
Mrrafil [7]
140 minutes because 40 x 3= 120+20=140
7 0
3 years ago
Read 2 more answers
413,405,397,... find the 8th term, plzz help ill give 30 points
elixir [45]

Answer:

45,9

Step-by-step explanation:

7 0
2 years ago
How do I solve this out??
GuDViN [60]
<h3>Answer:</h3>

(x, y) = (7, -5)

<h3>Step-by-step explanation:</h3>

It generally works well to follow directions.

The matrix of coefficients is ...

\left[\begin{array}{cc}2&4\\-5&3\end{array}\right]

Its inverse is the transpose of the cofactor matrix, divided by the determinant. That is ...

\dfrac{1}{26}\left[\begin{array}{ccc}3&-4\\5&2\end{array}\right]

So the solution is the product of this and the vector of constants [-6, -50]. That product is ...

... x = (3·(-6) +(-4)(-50))/26 = 7

... y = (5·(-6) +2·(-50))/26 = -5

The solution using inverse matrices is ...

... (x, y) = (7, -5)

7 0
3 years ago
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