7a=a-7a

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Solution for 7a=a-7a equation:


Simplifying
7a = a + -7a

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

Solving
7a = -6a

Solving for variable 'a'.

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

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

Combine like terms: 7a + 6a = 13a
13a = -6a + 6a

Combine like terms: -6a + 6a = 0
13a = 0

Divide each side by '13'.
a = 0

Simplifying
a = 0

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