10a=5a-15

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Solution for 10a=5a-15 equation: 


Simplifying
10a = 5a + -15

Reorder the terms:
10a = -15 + 5a

Solving
10a = -15 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
10a + -5a = -15 + 5a + -5a

Combine like terms: 10a + -5a = 5a
5a = -15 + 5a + -5a

Combine like terms: 5a + -5a = 0
5a = -15 + 0
5a = -15

Divide each side by '5'.
a = -3

Simplifying
a = -3

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