120-28a=75

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Solution for 120-28a=75 equation: 


Simplifying
120 + -28a = 75

Solving
120 + -28a = 75

Solving for variable 'a'.

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

Add '-120' to each side of the equation.
120 + -120 + -28a = 75 + -120

Combine like terms: 120 + -120 = 0
0 + -28a = 75 + -120
-28a = 75 + -120

Combine like terms: 75 + -120 = -45
-28a = -45

Divide each side by '-28'.
a = 1.607142857

Simplifying
a = 1.607142857

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