3a-b+2=-1

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Solution for 3a-b+2=-1 equation:


Simplifying
3a + -1b + 2 = -1

Reorder the terms:
2 + 3a + -1b = -1

Solving
2 + 3a + -1b = -1

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + 3a + -2 + -1b = -1 + -2

Reorder the terms:
2 + -2 + 3a + -1b = -1 + -2

Combine like terms: 2 + -2 = 0
0 + 3a + -1b = -1 + -2
3a + -1b = -1 + -2

Combine like terms: -1 + -2 = -3
3a + -1b = -3

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

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

Divide each side by '3'.
a = -1 + 0.3333333333b

Simplifying
a = -1 + 0.3333333333b

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