x(8)-1=x(20)-28

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Solution for x(8)-1=x(20)-28 equation:


Simplifying
x(8) + -1 = x(20) + -28

Reorder the terms for easier multiplication:
8x + -1 = x(20) + -28

Reorder the terms:
-1 + 8x = x(20) + -28

Reorder the terms for easier multiplication:
-1 + 8x = 20x + -28

Reorder the terms:
-1 + 8x = -28 + 20x

Solving
-1 + 8x = -28 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-1 + 8x + -20x = -28 + 20x + -20x

Combine like terms: 8x + -20x = -12x
-1 + -12x = -28 + 20x + -20x

Combine like terms: 20x + -20x = 0
-1 + -12x = -28 + 0
-1 + -12x = -28

Add '1' to each side of the equation.
-1 + 1 + -12x = -28 + 1

Combine like terms: -1 + 1 = 0
0 + -12x = -28 + 1
-12x = -28 + 1

Combine like terms: -28 + 1 = -27
-12x = -27

Divide each side by '-12'.
x = 2.25

Simplifying
x = 2.25

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