7a-6a+a=9-15

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Solution for 7a-6a+a=9-15 equation: 


Simplifying
7a + -6a + a = 9 + -15

Combine like terms: 7a + -6a = 1a
1a + a = 9 + -15

Combine like terms: 1a + a = 2a
2a = 9 + -15

Combine like terms: 9 + -15 = -6
2a = -6

Solving
2a = -6

Solving for variable 'a'.

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

Divide each side by '2'.
a = -3

Simplifying
a = -3

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