7a=3a-4a

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Solution for 7a=3a-4a equation:


Simplifying
7a = 3a + -4a

Combine like terms: 3a + -4a = -1a
7a = -1a

Solving
7a = -1a

Solving for variable 'a'.

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

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

Combine like terms: 7a + a = 8a
8a = -1a + a

Combine like terms: -1a + a = 0
8a = 0

Divide each side by '8'.
a = 0

Simplifying
a = 0

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