a-1=-1+7a

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Solution for a-1=-1+7a equation:


Simplifying
a + -1 = -1 + 7a

Reorder the terms:
-1 + a = -1 + 7a

Add '1' to each side of the equation.
-1 + 1 + a = -1 + 1 + 7a

Combine like terms: -1 + 1 = 0
0 + a = -1 + 1 + 7a
a = -1 + 1 + 7a

Combine like terms: -1 + 1 = 0
a = 0 + 7a
a = 7a

Solving
a = 7a

Solving for variable 'a'.

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

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

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

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

Divide each side by '-6'.
a = 0

Simplifying
a = 0

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