2x+3-8x+9=0

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Solution for 2x+3-8x+9=0 equation:


Simplifying
2x + 3 + -8x + 9 = 0

Reorder the terms:
3 + 9 + 2x + -8x = 0

Combine like terms: 3 + 9 = 12
12 + 2x + -8x = 0

Combine like terms: 2x + -8x = -6x
12 + -6x = 0

Solving
12 + -6x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -6x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -6x = 0 + -12
-6x = 0 + -12

Combine like terms: 0 + -12 = -12
-6x = -12

Divide each side by '-6'.
x = 2

Simplifying
x = 2

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