104=-2(7a-7)+6

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Solution for 104=-2(7a-7)+6 equation:


Simplifying
104 = -2(7a + -7) + 6

Reorder the terms:
104 = -2(-7 + 7a) + 6
104 = (-7 * -2 + 7a * -2) + 6
104 = (14 + -14a) + 6

Reorder the terms:
104 = 14 + 6 + -14a

Combine like terms: 14 + 6 = 20
104 = 20 + -14a

Solving
104 = 20 + -14a

Solving for variable 'a'.

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

Add '14a' to each side of the equation.
104 + 14a = 20 + -14a + 14a

Combine like terms: -14a + 14a = 0
104 + 14a = 20 + 0
104 + 14a = 20

Add '-104' to each side of the equation.
104 + -104 + 14a = 20 + -104

Combine like terms: 104 + -104 = 0
0 + 14a = 20 + -104
14a = 20 + -104

Combine like terms: 20 + -104 = -84
14a = -84

Divide each side by '14'.
a = -6

Simplifying
a = -6

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