30-2x=100

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Solution for 30-2x=100 equation: 


Simplifying
30 + -2x = 100

Solving
30 + -2x = 100

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -2x = 100 + -30

Combine like terms: 30 + -30 = 0
0 + -2x = 100 + -30
-2x = 100 + -30

Combine like terms: 100 + -30 = 70
-2x = 70

Divide each side by '-2'.
x = -35

Simplifying
x = -35

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