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dolphi86 [110]
2 years ago
8

7,4,5,2x,11, is 15 find the value of x​

Mathematics
1 answer:
sergejj [24]2 years ago
4 0

Answer:

don't understand

but mean = <u>summation x</u>

total number

15=<u>7+4+5+2x+11</u>

5

15=<u>27+2x</u>

5

multiply both sides by 5

15×5=<u>2</u><u>6</u><u>+</u><u>2</u><u>x</u> ×5

5

75=26+2x

75-26=2x

<u>49</u>=<u>2x</u>

2. 2

x= 24.5

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