-7(8-3a)=-161

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Solution for -7(8-3a)=-161 equation: 


Simplifying
-7(8 + -3a) = -161
(8 * -7 + -3a * -7) = -161
(-56 + 21a) = -161

Solving
-56 + 21a = -161

Solving for variable 'a'.

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

Add '56' to each side of the equation.
-56 + 56 + 21a = -161 + 56

Combine like terms: -56 + 56 = 0
0 + 21a = -161 + 56
21a = -161 + 56

Combine like terms: -161 + 56 = -105
21a = -105

Divide each side by '21'.
a = -5

Simplifying
a = -5

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