2a+6=8d-9

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Solution for 2a+6=8d-9 equation:


Simplifying
2a + 6 = 8d + -9

Reorder the terms:
6 + 2a = 8d + -9

Reorder the terms:
6 + 2a = -9 + 8d

Solving
6 + 2a = -9 + 8d

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 2a = -9 + -6 + 8d

Combine like terms: 6 + -6 = 0
0 + 2a = -9 + -6 + 8d
2a = -9 + -6 + 8d

Combine like terms: -9 + -6 = -15
2a = -15 + 8d

Divide each side by '2'.
a = -7.5 + 4d

Simplifying
a = -7.5 + 4d

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