11a+a-3a=-7

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Solution for 11a+a-3a=-7 equation: 


Simplifying
11a + a + -3a = -7

Combine like terms: 11a + a = 12a
12a + -3a = -7

Combine like terms: 12a + -3a = 9a
9a = -7

Solving
9a = -7

Solving for variable 'a'.

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

Divide each side by '9'.
a = -0.7777777778

Simplifying
a = -0.7777777778

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