18+9=11+x

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Solution for 18+9=11+x equation:


Simplifying
18 + 9 = 11 + x

Combine like terms: 18 + 9 = 27
27 = 11 + x

Solving
27 = 11 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
27 + -1x = 11 + x + -1x

Combine like terms: x + -1x = 0
27 + -1x = 11 + 0
27 + -1x = 11

Add '-27' to each side of the equation.
27 + -27 + -1x = 11 + -27

Combine like terms: 27 + -27 = 0
0 + -1x = 11 + -27
-1x = 11 + -27

Combine like terms: 11 + -27 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

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