15+9X+3(2X-20)=0

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Solution for 15+9X+3(2X-20)=0 equation:


Simplifying
15 + 9X + 3(2X + -20) = 0

Reorder the terms:
15 + 9X + 3(-20 + 2X) = 0
15 + 9X + (-20 * 3 + 2X * 3) = 0
15 + 9X + (-60 + 6X) = 0

Reorder the terms:
15 + -60 + 9X + 6X = 0

Combine like terms: 15 + -60 = -45
-45 + 9X + 6X = 0

Combine like terms: 9X + 6X = 15X
-45 + 15X = 0

Solving
-45 + 15X = 0

Solving for variable 'X'.

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

Add '45' to each side of the equation.
-45 + 45 + 15X = 0 + 45

Combine like terms: -45 + 45 = 0
0 + 15X = 0 + 45
15X = 0 + 45

Combine like terms: 0 + 45 = 45
15X = 45

Divide each side by '15'.
X = 3

Simplifying
X = 3

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