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Levart [38]
3 years ago
11

Solve. 9x + 6y = -3 y = -8

Mathematics
2 answers:
klio [65]3 years ago
6 0

Answer:

5

Step-by-step explanation:

9x+6y=-3

9x+6(-8)=-3

9x-48=-3

9x=45

x=5

laiz [17]3 years ago
6 0

Answer:

x=5, y= -8

Step-by-step explanation:

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Yan is climbing down a ladder. Each time he descends four rungs on the ladder, he stops to see how much farther he has to go. Wh
kykrilka [37]

Answer:

"descends"

Step-by-step explanation:

The word descend means to move or fall downwards. If we were to think of the ladder as the y-axis of a coordinate grid we could see that as you move further down on the axis the numbers turn to negative which indicate that the word descend means that a negative integer should be used :)

5 0
3 years ago
at the craft store, lisa bought 3 clay blocks and 2 molds for $15.50. Tony bought 6 clat blocks and 1 mold for $19.00. Write and
Varvara68 [4.7K]

Answer:

One clay block = x = $2.50 from before.

One mold = y = $4.00

Step-by-step explanation:

Multiply the second one by -2 to get -12x-2y=-38.00

Add these equations to eliminate y:

-12x-2y=-38.00

3x+2y=15.50

Result: -9x+0y=-22.50

9x=22.50

x=$2.50

Hope this helps love. <3 xx

7 0
3 years ago
Solve for the variable: 12 = 5x = 7
IrinaVladis [17]

Hello from MrBillDoesMath!

Answer:  x = 1

Discussion :

Per the author, the equation to solve is  12 = 5x + 7

Isolate the "x" variable by subtracting 7 from both sides of the equation:

12 = 5x + 7

-7 =        -7

---------------------

12-7 = 5x + 0


or


5 = 5x

Dividing both sides by 5 gives x - 1


Regards, MrB

6 0
3 years ago
Six less than seven times a number is equal to -20
zmey [24]
Let this number be x.
"Six less than seven times a number is equal to -20" can be represented by the equation 7x - 6 = -20. We need to solve for x.
First, add 6 from each side so we can have the variables on a side and the numbers on the other:
7x - 6 + 6 = -20 + 6
7x = -14
Then, you divide each side by 7 so we can get the variable x alone on a side, and its value on the other side:
(7x)/7 = -14/7
x = -2

You can re-check your answer (very important):
7x - 6 = 7 (-2) - 6 = -14-6 = -20
The answer has been approved.

Hope this Helps! :)
4 0
4 years ago
Amy and Sarah are twins. They have a younger brother who is 3 years younger.
Shkiper50 [21]

Answer: no, because you are subtracting the 3 rather than adding

Step-by-step explanation:

twins= x + x

brother= x-3

equation =2x + (x-3)

4 0
3 years ago
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