4x+8=12-9

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Solution for 4x+8=12-9 equation: 


Simplifying
4x + 8 = 12 + -9

Reorder the terms:
8 + 4x = 12 + -9

Combine like terms: 12 + -9 = 3
8 + 4x = 3

Solving
8 + 4x = 3

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 4x = 3 + -8

Combine like terms: 8 + -8 = 0
0 + 4x = 3 + -8
4x = 3 + -8

Combine like terms: 3 + -8 = -5
4x = -5

Divide each side by '4'.
x = -1.25

Simplifying
x = -1.25

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