Answer:
In algebra, we begin to see variables or letters that are used to represent numbers. An example of a mathematical expression with a variable is 2x + 3. In the expression 2x + 3, the coefficient of x is number 2, and it means 2 times x plus 3.
B. 10, 9, 11. Because the pattern is +2 and then -1
Answer:
d)
Step-by-step explanation:
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Answer:
You have 5 marbles and your friend has 30 marbles. How many times more marbles does your friend have? Write an equation using the variable x to solve the problem.
