-15=9+4X

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Solution for -15=9+4X equation:


Simplifying
-15 = 9 + 4X

Solving
-15 = 9 + 4X

Solving for variable 'X'.

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

Add '-4X' to each side of the equation.
-15 + -4X = 9 + 4X + -4X

Combine like terms: 4X + -4X = 0
-15 + -4X = 9 + 0
-15 + -4X = 9

Add '15' to each side of the equation.
-15 + 15 + -4X = 9 + 15

Combine like terms: -15 + 15 = 0
0 + -4X = 9 + 15
-4X = 9 + 15

Combine like terms: 9 + 15 = 24
-4X = 24

Divide each side by '-4'.
X = -6

Simplifying
X = -6

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