72a-100=188

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Solution for 72a-100=188 equation: 


Simplifying
72a + -100 = 188

Reorder the terms:
-100 + 72a = 188

Solving
-100 + 72a = 188

Solving for variable 'a'.

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

Add '100' to each side of the equation.
-100 + 100 + 72a = 188 + 100

Combine like terms: -100 + 100 = 0
0 + 72a = 188 + 100
72a = 188 + 100

Combine like terms: 188 + 100 = 288
72a = 288

Divide each side by '72'.
a = 4

Simplifying
a = 4

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