2x-20=8(x-1)

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Solution for 2x-20=8(x-1) equation:


Simplifying
2x + -20 = 8(x + -1)

Reorder the terms:
-20 + 2x = 8(x + -1)

Reorder the terms:
-20 + 2x = 8(-1 + x)
-20 + 2x = (-1 * 8 + x * 8)
-20 + 2x = (-8 + 8x)

Solving
-20 + 2x = -8 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-20 + 2x + -8x = -8 + 8x + -8x

Combine like terms: 2x + -8x = -6x
-20 + -6x = -8 + 8x + -8x

Combine like terms: 8x + -8x = 0
-20 + -6x = -8 + 0
-20 + -6x = -8

Add '20' to each side of the equation.
-20 + 20 + -6x = -8 + 20

Combine like terms: -20 + 20 = 0
0 + -6x = -8 + 20
-6x = -8 + 20

Combine like terms: -8 + 20 = 12
-6x = 12

Divide each side by '-6'.
x = -2

Simplifying
x = -2

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