4a+4=2a+9

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


Simplifying
4a + 4 = 2a + 9

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

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

Solving
4 + 4a = 9 + 2a

Solving for variable 'a'.

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

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

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

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

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

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

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

Divide each side by '2'.
a = 2.5

Simplifying
a = 2.5

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