15X-6(3X-7)=9

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Solution for 15X-6(3X-7)=9 equation:


Simplifying
15X + -6(3X + -7) = 9

Reorder the terms:
15X + -6(-7 + 3X) = 9
15X + (-7 * -6 + 3X * -6) = 9
15X + (42 + -18X) = 9

Reorder the terms:
42 + 15X + -18X = 9

Combine like terms: 15X + -18X = -3X
42 + -3X = 9

Solving
42 + -3X = 9

Solving for variable 'X'.

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

Add '-42' to each side of the equation.
42 + -42 + -3X = 9 + -42

Combine like terms: 42 + -42 = 0
0 + -3X = 9 + -42
-3X = 9 + -42

Combine like terms: 9 + -42 = -33
-3X = -33

Divide each side by '-3'.
X = 11

Simplifying
X = 11

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