7a-6=15

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Solution for 7a-6=15 equation: 


Simplifying
7a + -6 = 15

Reorder the terms:
-6 + 7a = 15

Solving
-6 + 7a = 15

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 7a = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 7a = 15 + 6
7a = 15 + 6

Combine like terms: 15 + 6 = 21
7a = 21

Divide each side by '7'.
a = 3

Simplifying
a = 3

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