(a+6)7=28

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Solution for (a+6)7=28 equation:


Simplifying
(a + 6) * 7 = 28

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

Reorder the terms for easier multiplication:
7(6 + a) = 28
(6 * 7 + a * 7) = 28
(42 + 7a) = 28

Solving
42 + 7a = 28

Solving for variable 'a'.

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

Add '-42' to each side of the equation.
42 + -42 + 7a = 28 + -42

Combine like terms: 42 + -42 = 0
0 + 7a = 28 + -42
7a = 28 + -42

Combine like terms: 28 + -42 = -14
7a = -14

Divide each side by '7'.
a = -2

Simplifying
a = -2

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