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liq [111]
2 years ago
10

3x-4x+21=15 what is the answer to this question ? and how do I get my answer?

Mathematics
2 answers:
attashe74 [19]2 years ago
7 0
3x-4x+21=15
\/
-1x+21=15
-21 -21
_______
-1x=-6
__. __
-1. -1
x=6
ZanzabumX [31]2 years ago
4 0
3x - 4x + 21= 15; -1x + 21 - 21= 15 - 21; -1x  ÷ -1 = -6 ÷ -1; x = 6.
The answer is x = 6.
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Hope this helps. Have a nice day. May it be filled with joy and happiness. Please, be safe and wash your hands. Happy Holidays.

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