21+43+54=x

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Solution for 21+43+54=x equation:


Simplifying
21 + 43 + 54 = x

Combine like terms: 21 + 43 = 64
64 + 54 = x

Combine like terms: 64 + 54 = 118
118 = x

Solving
118 = 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.
118 + -1x = x + -1x

Combine like terms: x + -1x = 0
118 + -1x = 0

Add '-118' to each side of the equation.
118 + -118 + -1x = 0 + -118

Combine like terms: 118 + -118 = 0
0 + -1x = 0 + -118
-1x = 0 + -118

Combine like terms: 0 + -118 = -118
-1x = -118

Divide each side by '-1'.
x = 118

Simplifying
x = 118

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