15x+20=2(2x-1)

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Solution for 15x+20=2(2x-1) equation:


Simplifying
15x + 20 = 2(2x + -1)

Reorder the terms:
20 + 15x = 2(2x + -1)

Reorder the terms:
20 + 15x = 2(-1 + 2x)
20 + 15x = (-1 * 2 + 2x * 2)
20 + 15x = (-2 + 4x)

Solving
20 + 15x = -2 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + 15x + -4x = -2 + 4x + -4x

Combine like terms: 15x + -4x = 11x
20 + 11x = -2 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 11x = -2 + 0
20 + 11x = -2

Add '-20' to each side of the equation.
20 + -20 + 11x = -2 + -20

Combine like terms: 20 + -20 = 0
0 + 11x = -2 + -20
11x = -2 + -20

Combine like terms: -2 + -20 = -22
11x = -22

Divide each side by '11'.
x = -2

Simplifying
x = -2

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