4a-640=3750

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Solution for 4a-640=3750 equation: 


Simplifying
4a + -640 = 3750

Reorder the terms:
-640 + 4a = 3750

Solving
-640 + 4a = 3750

Solving for variable 'a'.

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

Add '640' to each side of the equation.
-640 + 640 + 4a = 3750 + 640

Combine like terms: -640 + 640 = 0
0 + 4a = 3750 + 640
4a = 3750 + 640

Combine like terms: 3750 + 640 = 4390
4a = 4390

Divide each side by '4'.
a = 1097.5

Simplifying
a = 1097.5

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