7(a-4)=0

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Solution for 7(a-4)=0 equation: 


Simplifying
7(a + -4) = 0

Reorder the terms:
7(-4 + a) = 0
(-4 * 7 + a * 7) = 0
(-28 + 7a) = 0

Solving
-28 + 7a = 0

Solving for variable 'a'.

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

Add '28' to each side of the equation.
-28 + 28 + 7a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 7a = 0 + 28
7a = 0 + 28

Combine like terms: 0 + 28 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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