128=-8(4-5X)

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


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

Solving
128 = -32 + 40X

Solving for variable 'X'.

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

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

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

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

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

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

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

Simplifying
X = 4

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