Chapter Review
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The word is
divides the sentence into what should be on the left-hand side and what should be on the right-hand side of the equation.
Equation: 3* y=- 42
Solution: y=- 14
We want to rewrite the word sentence as an equation and then solve it. We can do each of these things one at a time.
Let's consider the given word sentence!
|
3 times a number y is - 42. |
is,
is equal to,and
equalstell us about the placement of the equals sign. 3times a numbery is - 42 ⇕ 3times a numbery = - 42 On the left-hand side we have one key word: times. This word tell us the operation that will be used in our equation.
Timesindicates multiplication. 3 times a numbery 3 * y On the right-hand side, there is only a constant. Putting these sides together, we have a complete equation. 3 * y = - 42
Finally, we can solve the equation using the Properties of Equality.
.LHS /3.=.RHS /3.
a* b/c=a/c* b
a/a=1
Identity Property of Multiplication
Calculate quotient