5a-7-4a=0

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Solution for 5a-7-4a=0 equation: 


Simplifying
5a + -7 + -4a = 0

Reorder the terms:
-7 + 5a + -4a = 0

Combine like terms: 5a + -4a = 1a
-7 + 1a = 0

Solving
-7 + 1a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 1a = 0 + 7

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

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

Divide each side by '1'.
a = 7

Simplifying
a = 7

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