2a-7a=4a

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Solution for 2a-7a=4a equation: 


Simplifying
2a + -7a = 4a

Combine like terms: 2a + -7a = -5a
-5a = 4a

Solving
-5a = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-5a + -4a = 4a + -4a

Combine like terms: -5a + -4a = -9a
-9a = 4a + -4a

Combine like terms: 4a + -4a = 0
-9a = 0

Divide each side by '-9'.
a = 0

Simplifying
a = 0

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