a+2a-9=4a-4-3-2

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Solution for a+2a-9=4a-4-3-2 equation:


Simplifying
a + 2a + -9 = 4a + -4 + -3 + -2

Reorder the terms:
-9 + a + 2a = 4a + -4 + -3 + -2

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

Reorder the terms:
-9 + 3a = -4 + -3 + -2 + 4a

Combine like terms: -4 + -3 = -7
-9 + 3a = -7 + -2 + 4a

Combine like terms: -7 + -2 = -9
-9 + 3a = -9 + 4a

Add '9' to each side of the equation.
-9 + 9 + 3a = -9 + 9 + 4a

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

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

Solving
3a = 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.
3a + -4a = 4a + -4a

Combine like terms: 3a + -4a = -1a
-1a = 4a + -4a

Combine like terms: 4a + -4a = 0
-1a = 0

Divide each side by '-1'.
a = 0

Simplifying
a = 0

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