-128=8(4+5a)

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Solution for -128=8(4+5a) equation:


Simplifying
-128 = 8(4 + 5a)
-128 = (4 * 8 + 5a * 8)
-128 = (32 + 40a)

Solving
-128 = 32 + 40a

Solving for variable 'a'.

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

Add '-40a' to each side of the equation.
-128 + -40a = 32 + 40a + -40a

Combine like terms: 40a + -40a = 0
-128 + -40a = 32 + 0
-128 + -40a = 32

Add '128' to each side of the equation.
-128 + 128 + -40a = 32 + 128

Combine like terms: -128 + 128 = 0
0 + -40a = 32 + 128
-40a = 32 + 128

Combine like terms: 32 + 128 = 160
-40a = 160

Divide each side by '-40'.
a = -4

Simplifying
a = -4

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