.5(a+4)=.25(a-8)

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Solution for .5(a+4)=.25(a-8) equation:


Simplifying
0.5(a + 4) = 0.25(a + -8)

Reorder the terms:
0.5(4 + a) = 0.25(a + -8)
(4 * 0.5 + a * 0.5) = 0.25(a + -8)
(2 + 0.5a) = 0.25(a + -8)

Reorder the terms:
2 + 0.5a = 0.25(-8 + a)
2 + 0.5a = (-8 * 0.25 + a * 0.25)
2 + 0.5a = (-2 + 0.25a)

Solving
2 + 0.5a = -2 + 0.25a

Solving for variable 'a'.

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

Add '-0.25a' to each side of the equation.
2 + 0.5a + -0.25a = -2 + 0.25a + -0.25a

Combine like terms: 0.5a + -0.25a = 0.25a
2 + 0.25a = -2 + 0.25a + -0.25a

Combine like terms: 0.25a + -0.25a = 0.00
2 + 0.25a = -2 + 0.00
2 + 0.25a = -2

Add '-2' to each side of the equation.
2 + -2 + 0.25a = -2 + -2

Combine like terms: 2 + -2 = 0
0 + 0.25a = -2 + -2
0.25a = -2 + -2

Combine like terms: -2 + -2 = -4
0.25a = -4

Divide each side by '0.25'.
a = -16

Simplifying
a = -16

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