9a-30=4a

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Solution for 9a-30=4a equation:


Simplifying
9a + -30 = 4a

Reorder the terms:
-30 + 9a = 4a

Solving
-30 + 9a = 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.
-30 + 9a + -4a = 4a + -4a

Combine like terms: 9a + -4a = 5a
-30 + 5a = 4a + -4a

Combine like terms: 4a + -4a = 0
-30 + 5a = 0

Add '30' to each side of the equation.
-30 + 30 + 5a = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 5a = 0 + 30
5a = 0 + 30

Combine like terms: 0 + 30 = 30
5a = 30

Divide each side by '5'.
a = 6

Simplifying
a = 6

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