4a+9=6a+13

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Solution for 4a+9=6a+13 equation:


Simplifying
4a + 9 = 6a + 13

Reorder the terms:
9 + 4a = 6a + 13

Reorder the terms:
9 + 4a = 13 + 6a

Solving
9 + 4a = 13 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
9 + 4a + -6a = 13 + 6a + -6a

Combine like terms: 4a + -6a = -2a
9 + -2a = 13 + 6a + -6a

Combine like terms: 6a + -6a = 0
9 + -2a = 13 + 0
9 + -2a = 13

Add '-9' to each side of the equation.
9 + -9 + -2a = 13 + -9

Combine like terms: 9 + -9 = 0
0 + -2a = 13 + -9
-2a = 13 + -9

Combine like terms: 13 + -9 = 4
-2a = 4

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

Simplifying
a = -2

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