3(X-15)=12X

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Solution for 3(X-15)=12X equation:


Simplifying
3(X + -15) = 12X

Reorder the terms:
3(-15 + X) = 12X
(-15 * 3 + X * 3) = 12X
(-45 + 3X) = 12X

Solving
-45 + 3X = 12X

Solving for variable 'X'.

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

Add '-12X' to each side of the equation.
-45 + 3X + -12X = 12X + -12X

Combine like terms: 3X + -12X = -9X
-45 + -9X = 12X + -12X

Combine like terms: 12X + -12X = 0
-45 + -9X = 0

Add '45' to each side of the equation.
-45 + 45 + -9X = 0 + 45

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

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

Divide each side by '-9'.
X = -5

Simplifying
X = -5

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