10x-9=12x+4

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Solution for 10x-9=12x+4 equation:


Simplifying
10x + -9 = 12x + 4

Reorder the terms:
-9 + 10x = 12x + 4

Reorder the terms:
-9 + 10x = 4 + 12x

Solving
-9 + 10x = 4 + 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.
-9 + 10x + -12x = 4 + 12x + -12x

Combine like terms: 10x + -12x = -2x
-9 + -2x = 4 + 12x + -12x

Combine like terms: 12x + -12x = 0
-9 + -2x = 4 + 0
-9 + -2x = 4

Add '9' to each side of the equation.
-9 + 9 + -2x = 4 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 4 + 9
-2x = 4 + 9

Combine like terms: 4 + 9 = 13
-2x = 13

Divide each side by '-2'.
x = -6.5

Simplifying
x = -6.5

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