10X+9X-12=4X-7

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Solution for 10X+9X-12=4X-7 equation: 


Simplifying
10X + 9X + -12 = 4X + -7

Reorder the terms:
-12 + 10X + 9X = 4X + -7

Combine like terms: 10X + 9X = 19X
-12 + 19X = 4X + -7

Reorder the terms:
-12 + 19X = -7 + 4X

Solving
-12 + 19X = -7 + 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.
-12 + 19X + -4X = -7 + 4X + -4X

Combine like terms: 19X + -4X = 15X
-12 + 15X = -7 + 4X + -4X

Combine like terms: 4X + -4X = 0
-12 + 15X = -7 + 0
-12 + 15X = -7

Add '12' to each side of the equation.
-12 + 12 + 15X = -7 + 12

Combine like terms: -12 + 12 = 0
0 + 15X = -7 + 12
15X = -7 + 12

Combine like terms: -7 + 12 = 5
15X = 5

Divide each side by '15'.
X = 0.3333333333

Simplifying
X = 0.3333333333

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