a+412=-8a+7

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Solution for a+412=-8a+7 equation:


Simplifying
a + 412 = -8a + 7

Reorder the terms:
412 + a = -8a + 7

Reorder the terms:
412 + a = 7 + -8a

Solving
412 + a = 7 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
412 + a + 8a = 7 + -8a + 8a

Combine like terms: a + 8a = 9a
412 + 9a = 7 + -8a + 8a

Combine like terms: -8a + 8a = 0
412 + 9a = 7 + 0
412 + 9a = 7

Add '-412' to each side of the equation.
412 + -412 + 9a = 7 + -412

Combine like terms: 412 + -412 = 0
0 + 9a = 7 + -412
9a = 7 + -412

Combine like terms: 7 + -412 = -405
9a = -405

Divide each side by '9'.
a = -45

Simplifying
a = -45

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