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Sagot :
Answer:
The number is -1.
Step-by-step explanation:
Set up an equation:
Variable n = number
8 × n + 4 = -4
Use PEMDAS
8n + 4 = -4
Isolate the variable:
8n = -8
n = -1
Check your work:
8 × -1 + 4 = -4
-8 + 4 = -4
-4 = -4
Correct!
Answer:
-1
Step-by-step explanation:
Write out the equation in numbers.
1. Eight times a number = 8x
2. Added to four = +4
3. Is -4 = =-4
4. Now put it together- 8x + 4 = -4
5. Subtract 4 from each side- 8x = -8
6. Divide both sides by 8- x = -1
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