Answer:
Value x = 8 make the equation true .
Step-by-step explanation:
Given : 3x = 24.
To find : Which value of x from the set {5, 6, 7, 8} makes this equation true?
Solution : We have given 3x = 24.
The equations are true when the Left hand side and right hand side of the equation are equal.
Then,
For x = 8 .
3 ( 8) = 24
24 = 24 .
Hence,
Left hand side = Right hand side.
Therefore, Value x = 8 make the equation true .
The property used is B: addition property
Step-by-step explanation:
The addition property of equality states that if you add the same number to both sides of an equation, the equation balances.In this case;
5x-9<91------------performing addition property of equality
5x-9+9<91+9
5x<100----------performing division property
5x/5<100/5
x<20 ------answer
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Addition Property : brainly.com/question/3474035
Keyword : property, inequality
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The method of multiplication shown is (a) Ancient Egyptian Method
<h3>Multiplication</h3>
This involves taking the product of at least two factors which could be numbers, expressions or both
From the method shown, we can see that a factor is multiplied by multiples of 2 (i.e. doubling), till it reaches a maximum
This method is associated with the Egyptian.
Hence, the method of multiplication is (a) Ancient Egyptian Method
Read more about multiplications at:
brainly.com/question/10873737