2x-1=0.75(8x+20)

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Solution for 2x-1=0.75(8x+20) equation:


Simplifying
2x + -1 = 0.75(8x + 20)

Reorder the terms:
-1 + 2x = 0.75(8x + 20)

Reorder the terms:
-1 + 2x = 0.75(20 + 8x)
-1 + 2x = (20 * 0.75 + 8x * 0.75)
-1 + 2x = (15 + 6x)

Solving
-1 + 2x = 15 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-1 + 2x + -6x = 15 + 6x + -6x

Combine like terms: 2x + -6x = -4x
-1 + -4x = 15 + 6x + -6x

Combine like terms: 6x + -6x = 0
-1 + -4x = 15 + 0
-1 + -4x = 15

Add '1' to each side of the equation.
-1 + 1 + -4x = 15 + 1

Combine like terms: -1 + 1 = 0
0 + -4x = 15 + 1
-4x = 15 + 1

Combine like terms: 15 + 1 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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