a-b=7

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Solution for a-b=7 equation:


Simplifying
a + -1b = 7

Solving
a + -1b = 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 = 7 + b

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

Simplifying
a = 7 + b

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