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Alja [10]
2 years ago
9

Please help me with this

Mathematics
2 answers:
NemiM [27]2 years ago
7 0
The answer is -3/4

Step by step:
-18=5x-3(3x+7)
-18=5x-9x-21
-18=-4x-21
4x=-21+18
4x=-3
x=-3/4
Dimas [21]2 years ago
6 0

Answer:

-9 3/4

Step-by-step explanation:

The last step is to simplify the fraction into a mixed one.

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Which equation has no solution?
Dmitry [639]

Answer:

A for sure

Step-by-step explanation:

4 0
3 years ago
Solve system by Substitution<br> method, provide steps.<br> y = 5x - 18<br> -5x+6y = 17
Sedaia [141]

Answer:

x=5

Step-by-step explanation:

-5x+6(5x-18)=17

-5x+30x-108=17

25x-108=17

25x=17+108

25x=125

x=5

5 0
3 years ago
Ilk defa buraya giriş yapıyorum sırf deneme için bir soru paylaşıyorum. 23*11= yukarıdaki soruyu yaparsanız sevinirim
EleoNora [17]

Cevap:

253

Adım adım açıklama:

23 ve 11'in çarpımı;

_____2 ___ 3

___ * _ 1 ____1

_________

_____2____3

_ + _ 2_3

____________

__2__5____3

____________

Dolayısıyla 23 * 11'in çarpımı 253'tür.

Hesap makinesi problemi çözmekte zorlanırsa aynı sonuç.

7 0
2 years ago
What are the coordinates of the points in this graph
jeka94

<em><u>Answer:</u></em>

(7, -5)

<em><u>Step-by-step explanation:</u></em>

We can see the dot, is 7 units to the right of the y axis, and 5 down from the x-axis. We then can create the coordinates because we know where it is:

If it is on the right side of the y-axis, it is positive. If it is below the x-axis, it is negative so:

(7, -5) would be the coordinate point

4 0
3 years ago
How do you figure out the percent of change in a increase or decrease problem?
galina1969 [7]
Percent change is (original-new)/(original), then multiply by 100
5 0
3 years ago
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