0.5(a-3)+4=2.5

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Solution for 0.5(a-3)+4=2.5 equation: 


Simplifying
0.5(a + -3) + 4 = 2.5

Reorder the terms:
0.5(-3 + a) + 4 = 2.5
(-3 * 0.5 + a * 0.5) + 4 = 2.5
(-1.5 + 0.5a) + 4 = 2.5

Reorder the terms:
-1.5 + 4 + 0.5a = 2.5

Combine like terms: -1.5 + 4 = 2.5
2.5 + 0.5a = 2.5

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 0.5a = 2.5 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.5a = 2.5 + -2.5
0.5a = 2.5 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.5a = 0.0

Solving
0.5a = 0.0

Solving for variable 'a'.

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

Divide each side by '0.5'.
a = 0

Simplifying
a = 0

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