2(a+2)+4a=9a+2-4

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Solution for 2(a+2)+4a=9a+2-4 equation: 


Simplifying
2(a + 2) + 4a = 9a + 2 + -4

Reorder the terms:
2(2 + a) + 4a = 9a + 2 + -4
(2 * 2 + a * 2) + 4a = 9a + 2 + -4
(4 + 2a) + 4a = 9a + 2 + -4

Combine like terms: 2a + 4a = 6a
4 + 6a = 9a + 2 + -4

Reorder the terms:
4 + 6a = 2 + -4 + 9a

Combine like terms: 2 + -4 = -2
4 + 6a = -2 + 9a

Solving
4 + 6a = -2 + 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.
4 + 6a + -9a = -2 + 9a + -9a

Combine like terms: 6a + -9a = -3a
4 + -3a = -2 + 9a + -9a

Combine like terms: 9a + -9a = 0
4 + -3a = -2 + 0
4 + -3a = -2

Add '-4' to each side of the equation.
4 + -4 + -3a = -2 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = -2 + -4
-3a = -2 + -4

Combine like terms: -2 + -4 = -6
-3a = -6

Divide each side by '-3'.
a = 2

Simplifying
a = 2

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