6a-9=-a+30

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Solution for 6a-9=-a+30 equation:


Simplifying
6a + -9 = -1a + 30

Reorder the terms:
-9 + 6a = -1a + 30

Reorder the terms:
-9 + 6a = 30 + -1a

Solving
-9 + 6a = 30 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-9 + 6a + a = 30 + -1a + a

Combine like terms: 6a + a = 7a
-9 + 7a = 30 + -1a + a

Combine like terms: -1a + a = 0
-9 + 7a = 30 + 0
-9 + 7a = 30

Add '9' to each side of the equation.
-9 + 9 + 7a = 30 + 9

Combine like terms: -9 + 9 = 0
0 + 7a = 30 + 9
7a = 30 + 9

Combine like terms: 30 + 9 = 39
7a = 39

Divide each side by '7'.
a = 5.571428571

Simplifying
a = 5.571428571

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