7a-4=30

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Solution for 7a-4=30 equation: 


Simplifying
7a + -4 = 30

Reorder the terms:
-4 + 7a = 30

Solving
-4 + 7a = 30

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 7a = 30 + 4

Combine like terms: -4 + 4 = 0
0 + 7a = 30 + 4
7a = 30 + 4

Combine like terms: 30 + 4 = 34
7a = 34

Divide each side by '7'.
a = 4.857142857

Simplifying
a = 4.857142857

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