11x-21=78

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Solution for 11x-21=78 equation:


Simplifying
11x + -21 = 78

Reorder the terms:
-21 + 11x = 78

Solving
-21 + 11x = 78

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 11x = 78 + 21

Combine like terms: -21 + 21 = 0
0 + 11x = 78 + 21
11x = 78 + 21

Combine like terms: 78 + 21 = 99
11x = 99

Divide each side by '11'.
x = 9

Simplifying
x = 9

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