20=2x-3(-2x+9)

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Solution for 20=2x-3(-2x+9) equation:


Simplifying
20 = 2x + -3(-2x + 9)

Reorder the terms:
20 = 2x + -3(9 + -2x)
20 = 2x + (9 * -3 + -2x * -3)
20 = 2x + (-27 + 6x)

Reorder the terms:
20 = -27 + 2x + 6x

Combine like terms: 2x + 6x = 8x
20 = -27 + 8x

Solving
20 = -27 + 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 + -8x = -27 + 8x + -8x

Combine like terms: 8x + -8x = 0
20 + -8x = -27 + 0
20 + -8x = -27

Add '-20' to each side of the equation.
20 + -20 + -8x = -27 + -20

Combine like terms: 20 + -20 = 0
0 + -8x = -27 + -20
-8x = -27 + -20

Combine like terms: -27 + -20 = -47
-8x = -47

Divide each side by '-8'.
x = 5.875

Simplifying
x = 5.875

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