Substitution with Integers 2
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Question 1 of 4
1. Question
Substitute `x=4` and `y=5`, then solve`x-y`- (-1)
Hint
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Nice Job!
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Rules for Adding and Subtracting Integers
First, plug in the given values`x=4`
`y=5``x``-``y` `=` `4``-``5` Now, solve using the number lineStart at `4`, then subtract `5` by moving left `5` places`4` `-5` `=` 
`4-5` `=` `-1` `-1` -
Question 2 of 4
2. Question
Substitute `y=5` and `z=-3`, then solve`y-z`- (8)
Hint
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Fantastic!
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Rules for Adding and Subtracting Integers
First, plug in the given values`y=5`
`z=-3``y``-``z` `=` `5` `-``-3` `=` `5``+``3` Recall, Now, solve using the number lineStart at `5`, then since `3` is positive move right `3` places`5` `+3` `=` 
`5+3` `=` `8` `8` -
Question 3 of 4
3. Question
Substitute `x=4` and `z=-3`, then solve`z-4x`- (-19)
Hint
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Correct!
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Rules for Adding and Subtracting Integers
First, plug in the given values`x=4`
`z=-3``z``-4``x` `=` `-3``-4(``4``)` Next, solve the multiplication.`-3-` `4(4)` `=` `-3-``16` Now, solve using the number lineStart at `-3`, then subtract `16` by moving left `16` places`-3` `-16` `=` 
`-3-16` `=` `-19` `-19` -
Question 4 of 4
4. Question
Substitute `y=-5`, then solve`y+(-7)+7`- (-5)
Hint
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Keep Going!
Incorrect
Rules for Adding and Subtracting Integers
First, plug in the given values`y=-5``y` `+(-7)+7` `=` `-5` `+(-7)+7` Now, solve the equationKeep in mind the rules for adding integers.`-5+``(-7)+7` `=` `-5+``0` `-7+7` cancels out `=` `-5` `-5`
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