.5a-5+.5a-10=15

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Solution for .5a-5+.5a-10=15 equation:


Simplifying
0.5a + -5 + 0.5a + -10 = 15

Reorder the terms:
-5 + -10 + 0.5a + 0.5a = 15

Combine like terms: -5 + -10 = -15
-15 + 0.5a + 0.5a = 15

Combine like terms: 0.5a + 0.5a = 1a
-15 + 1a = 15

Solving
-15 + 1a = 15

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 1a = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 1a = 15 + 15
1a = 15 + 15

Combine like terms: 15 + 15 = 30
1a = 30

Divide each side by '1'.
a = 30

Simplifying
a = 30

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