a+b-c=70

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Solution for a+b-c=70 equation:


Simplifying
a + b + -1c = 70

Solving
a + b + -1c = 70

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
a + b + -1b + -1c = 70 + -1b

Combine like terms: b + -1b = 0
a + 0 + -1c = 70 + -1b
a + -1c = 70 + -1b

Add 'c' to each side of the equation.
a + -1c + c = 70 + -1b + c

Combine like terms: -1c + c = 0
a + 0 = 70 + -1b + c
a = 70 + -1b + c

Simplifying
a = 70 + -1b + c

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