-28+7a=-7(8+a)

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Solution for -28+7a=-7(8+a) equation: 


Simplifying
-28 + 7a = -7(8 + a)
-28 + 7a = (8 * -7 + a * -7)
-28 + 7a = (-56 + -7a)

Solving
-28 + 7a = -56 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-28 + 7a + 7a = -56 + -7a + 7a

Combine like terms: 7a + 7a = 14a
-28 + 14a = -56 + -7a + 7a

Combine like terms: -7a + 7a = 0
-28 + 14a = -56 + 0
-28 + 14a = -56

Add '28' to each side of the equation.
-28 + 28 + 14a = -56 + 28

Combine like terms: -28 + 28 = 0
0 + 14a = -56 + 28
14a = -56 + 28

Combine like terms: -56 + 28 = -28
14a = -28

Divide each side by '14'.
a = -2

Simplifying
a = -2

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