8x-9=11+12

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Solution for 8x-9=11+12 equation: 


Simplifying
8x + -9 = 11 + 12

Reorder the terms:
-9 + 8x = 11 + 12

Combine like terms: 11 + 12 = 23
-9 + 8x = 23

Solving
-9 + 8x = 23

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 8x = 23 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 23 + 9
8x = 23 + 9

Combine like terms: 23 + 9 = 32
8x = 32

Divide each side by '8'.
x = 4

Simplifying
x = 4

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