x=0 or x=4
just factorize basically
cancels the x’s so it’d be 3x-12=0 and from that x=4
Answer:
Metals which react with steam form the solid metal oxide and hydrogen gas.
In general, the more reactive the metal, the more rapid the reaction. Aluminium is unusual, because it is a reactive metal that does not react with water. Its surface forms a protective layer of aluminium oxide that keeps water away from the metal below.
The apparatus used to react a metal with steam and collect the gas produced is shown below.
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▹ Answer
<em>2a + 3 - 6b</em>
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▹ Step-by-Step Explanation
5a + 7 - 8b - 3a + 2b - 4
<u>Collect like terms</u>
2a + 7 - 8b + 2b - 4
<u>Final Answer</u>
2a + 3 - 6b
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
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0.7 i think. we dont do this stuff at school but
