Answer: 
Step-by-step explanation:











<h2>
Explanation:</h2>
Here we have the following expression:

And the question asks for solving the equation for the variable
. So we need to divide both sides of the equation by
:

<h2>
Learn more:</h2>
Solving equations: brainly.com/question/10643312
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Answer:
when we add two negative numbers the result will always be a negative number, on adding negative numbers the direction of the move will always be to the left side
hope this helps!
Answer:
Step-by-step explanation:
2. 9a +4c=43
a+c=7
The total tickets for adults and children = 7 (a+c =7) 7 people in all
price for adult = $9 (9a) Price per child =$4 (4c)
total price =$ 43
9a +7c = 43
Im not sure about the second one, but for the first one, Alex’s height is 167.64 cm. :)