8a=7a-4

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Solution for 8a=7a-4 equation: 


Simplifying
8a = 7a + -4

Reorder the terms:
8a = -4 + 7a

Solving
8a = -4 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
8a + -7a = -4 + 7a + -7a

Combine like terms: 8a + -7a = 1a
1a = -4 + 7a + -7a

Combine like terms: 7a + -7a = 0
1a = -4 + 0
1a = -4

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

Simplifying
a = -4

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