7(a-1)=

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Solution for 7(a-1)= equation: 


Simplifying
7(a + -1) = 0

Reorder the terms:
7(-1 + a) = 0
(-1 * 7 + a * 7) = 0
(-7 + 7a) = 0

Solving
-7 + 7a = 0

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 + 7a = 0 + 7

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

Combine like terms: 0 + 7 = 7
7a = 7

Divide each side by '7'.
a = 1

Simplifying
a = 1

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