7(3a-1)=9

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Solution for 7(3a-1)=9 equation:


Simplifying
7(3a + -1) = 9

Reorder the terms:
7(-1 + 3a) = 9
(-1 * 7 + 3a * 7) = 9
(-7 + 21a) = 9

Solving
-7 + 21a = 9

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 21a = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 21a = 9 + 7
21a = 9 + 7

Combine like terms: 9 + 7 = 16
21a = 16

Divide each side by '21'.
a = 0.7619047619

Simplifying
a = 0.7619047619

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