3a-b-1=27

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Solution for 3a-b-1=27 equation:


Simplifying
3a + -1b + -1 = 27

Reorder the terms:
-1 + 3a + -1b = 27

Solving
-1 + 3a + -1b = 27

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 3a + 1 + -1b = 27 + 1

Reorder the terms:
-1 + 1 + 3a + -1b = 27 + 1

Combine like terms: -1 + 1 = 0
0 + 3a + -1b = 27 + 1
3a + -1b = 27 + 1

Combine like terms: 27 + 1 = 28
3a + -1b = 28

Add 'b' to each side of the equation.
3a + -1b + b = 28 + b

Combine like terms: -1b + b = 0
3a + 0 = 28 + b
3a = 28 + b

Divide each side by '3'.
a = 9.333333333 + 0.3333333333b

Simplifying
a = 9.333333333 + 0.3333333333b

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