66) ten less than a number
Let the number be n
= n - 10
67) the product of x and y
= x × y or xy
68) The algebraic expression for ten less than n
= n - 10
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Answer:
Step-by-step explanation:
Given that,
(-10x - 7) - (3x - 10)
Note:
-×-=+
+×+=+
+×-=-
-×+=-
Then,
(-10x - 7) - (3x - 10)
Open bracket
-10x-7-3x+10
Collect like terms
-10x-3x-7+10
-13x+3
Then, the answer is -13x+3.
See attachment for reply and answer.
You didn't give us the sentence where the blank is placed.
Answer:
2
Step-by-step explanation:
y + 12 = 7y
<em>isolate variable</em>
12 = 6y
<em>divide both sides by 6</em>
2 = y
