a-b+c=7

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Solution for a-b+c=7 equation:


Simplifying
a + -1b + c = 7

Solving
a + -1b + c = 7

Solving for variable 'a'.

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

Add 'b' to each side of the equation.
a + -1b + b + c = 7 + b

Combine like terms: -1b + b = 0
a + 0 + c = 7 + b
a + c = 7 + b

Add '-1c' to each side of the equation.
a + c + -1c = 7 + b + -1c

Combine like terms: c + -1c = 0
a + 0 = 7 + b + -1c
a = 7 + b + -1c

Simplifying
a = 7 + b + -1c

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