9=x+x+3

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Solution for 9=x+x+3 equation:


Simplifying
9 = x + x + 3

Reorder the terms:
9 = 3 + x + x

Combine like terms: x + x = 2x
9 = 3 + 2x

Solving
9 = 3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + -2x = 3 + 2x + -2x

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

Add '-9' to each side of the equation.
9 + -9 + -2x = 3 + -9

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

Combine like terms: 3 + -9 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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