2+a+b=4

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Solution for 2+a+b=4 equation:


Simplifying
2 + a + b = 4

Solving
2 + a + b = 4

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 + a + -2 + b = 4 + -2

Reorder the terms:
2 + -2 + a + b = 4 + -2

Combine like terms: 2 + -2 = 0
0 + a + b = 4 + -2
a + b = 4 + -2

Combine like terms: 4 + -2 = 2
a + b = 2

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

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

Simplifying
a = 2 + -1b

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