12=10x+3-9

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Solution for 12=10x+3-9 equation:


Simplifying
12 = 10x + 3 + -9

Reorder the terms:
12 = 3 + -9 + 10x

Combine like terms: 3 + -9 = -6
12 = -6 + 10x

Solving
12 = -6 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
12 + -10x = -6 + 10x + -10x

Combine like terms: 10x + -10x = 0
12 + -10x = -6 + 0
12 + -10x = -6

Add '-12' to each side of the equation.
12 + -12 + -10x = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -10x = -6 + -12
-10x = -6 + -12

Combine like terms: -6 + -12 = -18
-10x = -18

Divide each side by '-10'.
x = 1.8

Simplifying
x = 1.8

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