Mathematics: It s asking to solve for a1 but I don t really know how, please help.

It s asking to solve for a1 but I don t really know

toxsicity

05.02.2022

$C = \frac{1}{4}n( \: a(1) \: + \: a(2) \: ) \\$

Multiply sides by 4

$4 \times C = 4 \times \frac{1}{4}n( \: a(1) + a(2) \: ) \\$

$4C = n( \: a(1) + a(2) \: )$

Divided sides by n

$\frac{4C}{n} = \frac{n}{n}( \: a(1) + a(2) \: ) \\$

$\frac{4C}{n} = a(1) + a(2) \\$

Subtract sides - a (2)

$\frac{4C}{n} - a(2) = a(1) + a(2) - a(2) \\$

$\frac{4C}{n} - a(2) = a(1) \\$

$a(1) = \frac{4C}{n} - a(2) \\$

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Done ♥️♥️♥️♥️♥️

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