2a+5=4a+9

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Solution for 2a+5=4a+9 equation:


Simplifying
2a + 5 = 4a + 9

Reorder the terms:
5 + 2a = 4a + 9

Reorder the terms:
5 + 2a = 9 + 4a

Solving
5 + 2a = 9 + 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.
5 + 2a + -4a = 9 + 4a + -4a

Combine like terms: 2a + -4a = -2a
5 + -2a = 9 + 4a + -4a

Combine like terms: 4a + -4a = 0
5 + -2a = 9 + 0
5 + -2a = 9

Add '-5' to each side of the equation.
5 + -5 + -2a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -2a = 9 + -5
-2a = 9 + -5

Combine like terms: 9 + -5 = 4
-2a = 4

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

Simplifying
a = -2

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