what is -8x-9=-21, can someone work out the problem and show me what they did to get there answer so i can understand it?
2 answers:
- 8x - 9 = - 21
Add 9 to both sides:
- 8x = - 12
Divide both sides by - 8:
x = -12/-8
x = -3/-2
x = 3/2 OR 1.5
Hope this answer helps :)
To do this equation first:
Add 9 to both sides so you can leave -8x alone.
-8x-9+9=-21+9
-8x=-12
Divide both sides by 8:
-8x/8=-12/8
x=3/2
Answer: x=3/2
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