7a-b=5a

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Solution for 7a-b=5a equation:


Simplifying
7a + -1b = 5a

Solving
7a + -1b = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
7a + -5a + -1b = 5a + -5a

Combine like terms: 7a + -5a = 2a
2a + -1b = 5a + -5a

Combine like terms: 5a + -5a = 0
2a + -1b = 0

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

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

Divide each side by '2'.
a = 0.5b

Simplifying
a = 0.5b

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