16.5=0.5(a+25)

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Solution for 16.5=0.5(a+25) equation:


Simplifying
16.5 = 0.5(a + 25)

Reorder the terms:
16.5 = 0.5(25 + a)
16.5 = (25 * 0.5 + a * 0.5)
16.5 = (12.5 + 0.5a)

Solving
16.5 = 12.5 + 0.5a

Solving for variable 'a'.

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

Add '-0.5a' to each side of the equation.
16.5 + -0.5a = 12.5 + 0.5a + -0.5a

Combine like terms: 0.5a + -0.5a = 0.0
16.5 + -0.5a = 12.5 + 0.0
16.5 + -0.5a = 12.5

Add '-16.5' to each side of the equation.
16.5 + -16.5 + -0.5a = 12.5 + -16.5

Combine like terms: 16.5 + -16.5 = 0.0
0.0 + -0.5a = 12.5 + -16.5
-0.5a = 12.5 + -16.5

Combine like terms: 12.5 + -16.5 = -4
-0.5a = -4

Divide each side by '-0.5'.
a = 8

Simplifying
a = 8

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