3-x=100

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Solution for 3-x=100 equation:


Simplifying
3 + -1x = 100

Solving
3 + -1x = 100

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -1x = 100 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 100 + -3
-1x = 100 + -3

Combine like terms: 100 + -3 = 97
-1x = 97

Divide each side by '-1'.
x = -97

Simplifying
x = -97

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