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jekas [21]
2 years ago
8

What is the correct solution to the equation 2x+7 = 19 a) x = 6 b) x = 13 c) x = 12 d) x = 2.5

Mathematics
2 answers:
Helen [10]2 years ago
6 0

Answer:

a

Step-by-step explanation:

2x +7= 19

2x= 19 -7 <em>(-7 on both sides)</em>

2x= 12 <em>(</em><em>simplify</em><em>)</em>

x= 12 ÷2

x= 6

mixer [17]2 years ago
6 0

Answer:

a

Step-by-step explanation:

Given

2x + 7 = 19 ( subtract 7 from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

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How can you use division to find the decimal equivalent of a rational number
Kamila [148]

Answer:

To use division to find the decimal equivalent of a rational number, divide the top number by the bottom number. You will get a decimal number.

7 0
2 years ago
What is the value of y in the equation 4(5y − 8 − 2) = 185 − 15? 8. 5 9. 7 10. 5 42. 5.
Bezzdna [24]

Answer:

10.5 is the answer

Step-by-step explanation:

4(5y−8−2)=185−15

(4)(5y)+(4)(−8)+(4)(−2)=185+−15(Distribute)

20y+−32+−8=185+−15

(20y)+(−32+−8)=(185+−15)(Combine Like Terms)

20y+−40=170

20y−40=170

20y−40+40=170+40

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20y/20=210/20

y=21/2

y=10.5

6 0
2 years ago
A punch recipe that serves 24 people calls for 4 liters of lemon-lime soda, 2 pints of sherbet, and 6 cups of ice. How much of e
harkovskaia [24]
Well 18 people is 3/4 of 24 people. So for each ingredient just multiply the value by 0.75.

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5 0
2 years ago
Multiply. (-5 5/8) • (-2 1/3) What is the product?​
lions [1.4K]

Answer:

105/8 = 13 1/8 = 13.125

Step-by-step explanation:

The first step is to turn the (-5 5/8) into a mixed number. The mixed number you should be getting is - 45/8. The second step is to convert the (-2 1/3) into a mixed number as well, your second mixed number should be -7/3. Next multiply the two fractions, - 45/8 x (-7/3) = 315/24.

We can simplify 315/24 by dividing by 3, so you'll divide 315 divided by 3 and 24 divided by 3 and you should get ... 105/8. So 105/ 8 is equal to

13 1/8. If you need this fraction in decimal form it is 13.125.

6 0
10 months ago
Foxy used a calculator to evaluate (18+)x(49-39)-63•9 by entering C 18 +2*15-7
strojnjashka [21]
Ok what else before I can help
4 0
3 years ago
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