0.5a+(-7)+0.5a=0.33

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Solution for 0.5a+(-7)+0.5a=0.33 equation: 


Simplifying
0.5a + (-7) + 0.5a = 0.33
0.5a + -7 + 0.5a = 0.33

Reorder the terms:
-7 + 0.5a + 0.5a = 0.33

Combine like terms: 0.5a + 0.5a = 1a
-7 + 1a = 0.33

Solving
-7 + 1a = 0.33

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 1a = 0.33 + 7

Combine like terms: -7 + 7 = 0
0 + 1a = 0.33 + 7
1a = 0.33 + 7

Combine like terms: 0.33 + 7 = 7.33
1a = 7.33

Divide each side by '1'.
a = 7.33

Simplifying
a = 7.33

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