Substitution with Integers 3
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Question 1 of 3
1. Question
Substitute `x=6` and `y=-5`, then solve`xy-y`- (-25)
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Great Work!
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Rules for Multiplying Integers
First, plug in the given values`x=6`
`y=-5``x``y``-``y` `=` `(``6``)(``-5``)-(``-5``)` Next, solve the multiplication.`6(-5)``-(-5)` `=` `-30` `-(-5)` Recall, Next, recall the rules for subtracting integers`-30``-``(``-``5)` `=` `-30``+``5` Recall, 
Now, solve using the number lineStart at `-30`, then since `5` is positive move right `5` places`-30` `+5` `=` 
`-30+5` `=` `-25` `-25` -
Question 2 of 3
2. Question
Substitute `x=4`, `y=5` and `z=-3`, then solve`yx-3z`- (29)
Hint
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Excellent!
Incorrect
Rules for Multiplying Integers
First, plug in the given values`x=4`
`y=5`
`z=-3``y``x``-3``z` `=` `(``5``)(``4``)-3(``-3``)` Next, solve the multiplication.`(5)(4)` `-3(-3)` `=` `20` `+9` Recall, Now, solve using the number lineStart at `20`, then since `9` is positive move right `9` places`20` `+9` `=` 
`20+9` `=` `29` `29` -
Question 3 of 3
3. Question
Substitute `x=6`, then solve`5+x+(-8)`- (3)
Hint
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Fantastic!
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Rules for Adding and Subtracting Integers
First, plug in the given values`x=6``5+``x` `+(-8)` `=` `5+``6` `+(-8)` Now, solve the equationKeep in mind the rules for adding integers.`5+6``+(-8)` `=` `11``+``(``-``8)` `=` `11``-``8` Recall, `=` `3` `3`
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