7(a-8)=28-5a

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Solution for 7(a-8)=28-5a equation:


Simplifying
7(a + -8) = 28 + -5a

Reorder the terms:
7(-8 + a) = 28 + -5a
(-8 * 7 + a * 7) = 28 + -5a
(-56 + 7a) = 28 + -5a

Solving
-56 + 7a = 28 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
-56 + 7a + 5a = 28 + -5a + 5a

Combine like terms: 7a + 5a = 12a
-56 + 12a = 28 + -5a + 5a

Combine like terms: -5a + 5a = 0
-56 + 12a = 28 + 0
-56 + 12a = 28

Add '56' to each side of the equation.
-56 + 56 + 12a = 28 + 56

Combine like terms: -56 + 56 = 0
0 + 12a = 28 + 56
12a = 28 + 56

Combine like terms: 28 + 56 = 84
12a = 84

Divide each side by '12'.
a = 7

Simplifying
a = 7

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