4(a-7)=28

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Solution for 4(a-7)=28 equation: 


Simplifying
4(a + -7) = 28

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

Solving
-28 + 4a = 28

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 + 4a = 28 + 28

Combine like terms: -28 + 28 = 0
0 + 4a = 28 + 28
4a = 28 + 28

Combine like terms: 28 + 28 = 56
4a = 56

Divide each side by '4'.
a = 14

Simplifying
a = 14

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