3a-b+8+(-a)=

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Solution for 3a-b+8+(-a)= equation:


Simplifying
3a + -1b + 8 + (-1a) = 0

Reorder the terms:
8 + 3a + (-1a) + -1b = 0

Combine like terms: 3a + (-1a) = 2a
8 + 2a + -1b = 0

Solving
8 + 2a + -1b = 0

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + 2a + -8 + -1b = 0 + -8

Reorder the terms:
8 + -8 + 2a + -1b = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2a + -1b = 0 + -8
2a + -1b = 0 + -8

Combine like terms: 0 + -8 = -8
2a + -1b = -8

Add 'b' to each side of the equation.
2a + -1b + b = -8 + b

Combine like terms: -1b + b = 0
2a + 0 = -8 + b
2a = -8 + b

Divide each side by '2'.
a = -4 + 0.5b

Simplifying
a = -4 + 0.5b

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