-320=-8(-5x+15)

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Solution for -320=-8(-5x+15) equation:


Simplifying
-320 = -8(-5x + 15)

Reorder the terms:
-320 = -8(15 + -5x)
-320 = (15 * -8 + -5x * -8)
-320 = (-120 + 40x)

Solving
-320 = -120 + 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.
-320 + -40x = -120 + 40x + -40x

Combine like terms: 40x + -40x = 0
-320 + -40x = -120 + 0
-320 + -40x = -120

Add '320' to each side of the equation.
-320 + 320 + -40x = -120 + 320

Combine like terms: -320 + 320 = 0
0 + -40x = -120 + 320
-40x = -120 + 320

Combine like terms: -120 + 320 = 200
-40x = 200

Divide each side by '-40'.
x = -5

Simplifying
x = -5

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