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valentina_108 [34]
3 years ago
12

81+7x=81 what does x equal?

Mathematics
2 answers:
cupoosta [38]3 years ago
5 0
So to start off here is the question being asked:
<span>81+<span>7x</span></span>=<span>81
</span>The first thing we are going to do is s<span>implify both sides of the equation:
</span><span><span>7x</span>+81</span>=<span>81
</span>Second thing to do is s<span>ubtract 81 from both sides so:
</span><span><span><span>7x</span>+81</span>−81</span>=<span>81−<span>81
</span></span>The final thing to do is d<span>ivide both sides by 7:
</span><span><span>7x/</span>7</span>=<span>0/<span>7
The final answer is:
x=0

I hope this helps! :)</span></span>
Brrunno [24]3 years ago
4 0
The answer is x=7 because wen you subtract 81 from 81 it equals zero leving 7x or x=7
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