2a+3d-5a-9d=

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Solution for 2a+3d-5a-9d= equation:


Simplifying
2a + 3d + -5a + -9d = 0

Reorder the terms:
2a + -5a + 3d + -9d = 0

Combine like terms: 2a + -5a = -3a
-3a + 3d + -9d = 0

Combine like terms: 3d + -9d = -6d
-3a + -6d = 0

Solving
-3a + -6d = 0

Solving for variable 'a'.

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

Add '6d' to each side of the equation.
-3a + -6d + 6d = 0 + 6d

Combine like terms: -6d + 6d = 0
-3a + 0 = 0 + 6d
-3a = 0 + 6d
Remove the zero:
-3a = 6d

Divide each side by '-3'.
a = -2d

Simplifying
a = -2d

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