6x(x-3)+20=8-3x(5-2x)

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Solution for 6x(x-3)+20=8-3x(5-2x) equation:


Simplifying
6x(x + -3) + 20 = 8 + -3x(5 + -2x)

Reorder the terms:
6x(-3 + x) + 20 = 8 + -3x(5 + -2x)
(-3 * 6x + x * 6x) + 20 = 8 + -3x(5 + -2x)
(-18x + 6x2) + 20 = 8 + -3x(5 + -2x)

Reorder the terms:
20 + -18x + 6x2 = 8 + -3x(5 + -2x)
20 + -18x + 6x2 = 8 + (5 * -3x + -2x * -3x)
20 + -18x + 6x2 = 8 + (-15x + 6x2)

Add '-6x2' to each side of the equation.
20 + -18x + 6x2 + -6x2 = 8 + -15x + 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
20 + -18x + 0 = 8 + -15x + 6x2 + -6x2
20 + -18x = 8 + -15x + 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
20 + -18x = 8 + -15x + 0
20 + -18x = 8 + -15x

Solving
20 + -18x = 8 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
20 + -18x + 15x = 8 + -15x + 15x

Combine like terms: -18x + 15x = -3x
20 + -3x = 8 + -15x + 15x

Combine like terms: -15x + 15x = 0
20 + -3x = 8 + 0
20 + -3x = 8

Add '-20' to each side of the equation.
20 + -20 + -3x = 8 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 8 + -20
-3x = 8 + -20

Combine like terms: 8 + -20 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

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