15n-18. This is 3(5n-6) because 3 times 5n is 15n and 3 times 6 is 18.
Answer:
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Step-by-step explanation:
12x 0.25=? ?x 5= $?
Answer:
The expression
has two variables x and y.
Step-by-step explanation:
<u>What is a variable?</u>
A variable is a letter, for instance
or
, that represents an unknown number.
Given the expression

The given expression has three terms which are x, 4y, and -9.
Here:
- The term 'x' is the unknown variable x.
- The term '4y' has a coefficient (the number next to a variable y) of 4.
- The term '-6' is a constant.
As we already know that a variable is a letter, for instance x or y, that represents an unknown number. In other words, the values of x, or y are unknown to us.
Thus, the expression
has two variables x and y.
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Answer:
23.91
Step-by-step explanation:
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