100
solve for a
7a - 2b = 5a + b
a = 2b
a = 3b
a = 3/2b
a=2/3b

Therefore solution for a is

Step-by-step explanation:

Given:

7a - 2b = 5a + b

To Find:

a = ?

Solution:

7a - 2b = 5a + b    .................Given

First take all the 'a' terms to the left hand side and 'b' terms to the right-hand side of the equation,

∴

Now dividing by 2 on both the side we get

∴

Therefore solution for a is

idek

step-by-step explanation:

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step-by-step explanation:

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