4a-30=9a

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Solution for 4a-30=9a equation:


Simplifying
4a + -30 = 9a

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

Solving
-30 + 4a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-30 + 4a + -9a = 9a + -9a

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

Combine like terms: 9a + -9a = 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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