4(a-1)=4

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Solution for 4(a-1)=4 equation: 


Simplifying
4(a + -1) = 4

Reorder the terms:
4(-1 + a) = 4
(-1 * 4 + a * 4) = 4
(-4 + 4a) = 4

Solving
-4 + 4a = 4

Solving for variable 'a'.

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

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

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

Combine like terms: 4 + 4 = 8
4a = 8

Divide each side by '4'.
a = 2

Simplifying
a = 2

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