7a=3a-4

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Solution for 7a=3a-4 equation: 


Simplifying
7a = 3a + -4

Reorder the terms:
7a = -4 + 3a

Solving
7a = -4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
7a + -3a = -4 + 3a + -3a

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

Combine like terms: 3a + -3a = 0
4a = -4 + 0
4a = -4

Divide each side by '4'.
a = -1

Simplifying
a = -1

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