19=100+20x

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Solution for 19=100+20x equation:


Simplifying
19 = 100 + 20x

Solving
19 = 100 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
19 + -20x = 100 + 20x + -20x

Combine like terms: 20x + -20x = 0
19 + -20x = 100 + 0
19 + -20x = 100

Add '-19' to each side of the equation.
19 + -19 + -20x = 100 + -19

Combine like terms: 19 + -19 = 0
0 + -20x = 100 + -19
-20x = 100 + -19

Combine like terms: 100 + -19 = 81
-20x = 81

Divide each side by '-20'.
x = -4.05

Simplifying
x = -4.05

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