2a+-5d=30

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Solution for 2a+-5d=30 equation: 


Simplifying
2a + -5d = 30

Solving
2a + -5d = 30

Solving for variable 'a'.

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

Add '5d' to each side of the equation.
2a + -5d + 5d = 30 + 5d

Combine like terms: -5d + 5d = 0
2a + 0 = 30 + 5d
2a = 30 + 5d

Divide each side by '2'.
a = 15 + 2.5d

Simplifying
a = 15 + 2.5d

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