20-2x=3(x-15)

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Solution for 20-2x=3(x-15) equation:


Simplifying
20 + -2x = 3(x + -15)

Reorder the terms:
20 + -2x = 3(-15 + x)
20 + -2x = (-15 * 3 + x * 3)
20 + -2x = (-45 + 3x)

Solving
20 + -2x = -45 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20 + -2x + -3x = -45 + 3x + -3x

Combine like terms: -2x + -3x = -5x
20 + -5x = -45 + 3x + -3x

Combine like terms: 3x + -3x = 0
20 + -5x = -45 + 0
20 + -5x = -45

Add '-20' to each side of the equation.
20 + -20 + -5x = -45 + -20

Combine like terms: 20 + -20 = 0
0 + -5x = -45 + -20
-5x = -45 + -20

Combine like terms: -45 + -20 = -65
-5x = -65

Divide each side by '-5'.
x = 13

Simplifying
x = 13

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