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marta [7]
3 years ago
5

X - 5 + 12 + 2x = 4(8 – 11x) + 7(1 + 9x)

Mathematics
2 answers:
trasher [3.6K]3 years ago
8 0

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.   x= -2

expeople1 [14]3 years ago
7 0

Answer:

x = -2

Step-by-step explanation:

x - 5 + 12 + 2x = 4(8 – 11x) + 7(1 + 9x)

x - 5 + 12 + 2x = 32 - 44x + 7 + 63x

x - 5 + 12 + 2x = 32 - 44x + 7 + 63x

x + 2x + 44x - 63x = 32 + 7 + 5 - 12

- 16x = 32

- x = 32 / 16

- x = 2

x = -2

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3 years ago
In a basketball game, Team A defeated Team B with a score of 97 to 63. Team A won by scoring a combination of two-point baskets,
-BARSIC- [3]

Answer:

14 free throw baskets , 25 two point baskets and 11 three point baskets

Step-by-step explanation:

Let n₁ represent the number of free-throw baskets, n₂ represent the number of two point baskets and n₃ represent the number of three point baskets.

Now, from the question, the number of two point baskets, n₂ is greater than the free throw baskets by 11. This is written as n₂ = n₁ + 11. Also, the number of three point baskets n₃ is three less than the number of free point baskets. This is written as n₃ = n₂ - 3. Since our total number of points equals 97, it follows that, sum of number of points multiplied by each point equals 97. So, ∑(number of points × each point) = 97. Thus,

n₁ + 2n₂ + 3n₃ = 97. Substituting n₂ and n₃ from above, we have n₁ +2(n₁ + 11) + 3(n₁ - 3) = 97.

Expanding the brackets, we have, n₁ + 2n₁ + 22 + 3n₁ - 9 = 97

collecting like terms, we have 6n₁ + 13 = 97

6n₁ = 97 - 13

6n₁ = 84

dividing through by n₁ we have, n₁ = 84/6 =14

so n₁ our free throw baskets equals 14. Substituting this into n₂ our number of two point baskets equals n₂ = n₁ + 11 = 14 + 11 = 25. Our number of three point baskets n₃ = n₁ - 3. So, n₃ = 14 -3 = 11.

7 0
3 years ago
Read 2 more answers
culture started with 3,000 bacteria. After 2 hours it grew to 3,300 bacteria. Predict how many bacteria will be present after 16
Archy [21]
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7 0
4 years ago
Which pairs of quadrilaterals can be shown to be congruent using rigid motions?
Tju [1.3M]

Answer:

yes ur right

Step-by-step explanation:

5 0
3 years ago
0.8% of 150 is what number?
lisov135 [29]
The answer: 1.2

Work:
2 equations: 150=100% and x=0.8%
Combine these
150/x=100/0.8
150= 125x
X=1.2
7 0
3 years ago
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