a-3=7a+27

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Solution for a-3=7a+27 equation:


Simplifying
a + -3 = 7a + 27

Reorder the terms:
-3 + a = 7a + 27

Reorder the terms:
-3 + a = 27 + 7a

Solving
-3 + a = 27 + 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.
-3 + a + -7a = 27 + 7a + -7a

Combine like terms: a + -7a = -6a
-3 + -6a = 27 + 7a + -7a

Combine like terms: 7a + -7a = 0
-3 + -6a = 27 + 0
-3 + -6a = 27

Add '3' to each side of the equation.
-3 + 3 + -6a = 27 + 3

Combine like terms: -3 + 3 = 0
0 + -6a = 27 + 3
-6a = 27 + 3

Combine like terms: 27 + 3 = 30
-6a = 30

Divide each side by '-6'.
a = -5

Simplifying
a = -5

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