7[-6-2a]=-5

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Solution for 7[-6-2a]=-5 equation: 


Simplifying
7[-6 + -2a] = -5
[-6 * 7 + -2a * 7] = -5
[-42 + -14a] = -5

Solving
-42 + -14a = -5

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 + -14a = -5 + 42

Combine like terms: -42 + 42 = 0
0 + -14a = -5 + 42
-14a = -5 + 42

Combine like terms: -5 + 42 = 37
-14a = 37

Divide each side by '-14'.
a = -2.642857143

Simplifying
a = -2.642857143

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