77=-7-6a

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Solution for 77=-7-6a equation:


Simplifying
77 = -7 + -6a

Solving
77 = -7 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
77 + 6a = -7 + -6a + 6a

Combine like terms: -6a + 6a = 0
77 + 6a = -7 + 0
77 + 6a = -7

Add '-77' to each side of the equation.
77 + -77 + 6a = -7 + -77

Combine like terms: 77 + -77 = 0
0 + 6a = -7 + -77
6a = -7 + -77

Combine like terms: -7 + -77 = -84
6a = -84

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

Simplifying
a = -14

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