12=3.4x+9

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Solution for 12=3.4x+9 equation:


Simplifying
12 = 3.4x + 9

Reorder the terms:
12 = 9 + 3.4x

Solving
12 = 9 + 3.4x

Solving for variable 'x'.

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

Add '-3.4x' to each side of the equation.
12 + -3.4x = 9 + 3.4x + -3.4x

Combine like terms: 3.4x + -3.4x = 0.0
12 + -3.4x = 9 + 0.0
12 + -3.4x = 9

Add '-12' to each side of the equation.
12 + -12 + -3.4x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -3.4x = 9 + -12
-3.4x = 9 + -12

Combine like terms: 9 + -12 = -3
-3.4x = -3

Divide each side by '-3.4'.
x = 0.8823529412

Simplifying
x = 0.8823529412

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