2a+9=4a+9

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


Simplifying
2a + 9 = 4a + 9

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

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

Add '-9' to each side of the equation.
9 + -9 + 2a = 9 + -9 + 4a

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

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

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

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

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

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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