Question

Find the value of 'a' such that each of the following equation has x = 1 and y = 1 as a solution.

i)
$\frac{x}{a} + \frac{2y}{a} = 7$
whoever solves this question in a right manner with best explanation.. I'll mark their answer as brainliest


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Answer 1

Step-by-step explanation:

In combination Reactions two or more substance combine to form a new compounds. Only one products is obtained in such reaction. The reactants in such reaction can be elements as well as compounds .

A large amount of heat is also evolved during this process, which increase the temperature of the system. Hence ,the combination of calcium oxide and water is exothermic in nature.

Answer 2

It is estimated that as much as 20% to 40% of Delhi's air pollution originates from Punjab farm fires. During peak burning season, Delhi experienced average PM 2.5 levels of 144 µg/m3 in November and 157 µg/m3 in December, exceeding the WHO's annual exposure guideline by more than 14 times,” the report states.