x*100-1900+y=7

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Solution for x*100-1900+y=7 equation:


Simplifying
x * 100 + -1900 + y = 7

Reorder the terms for easier multiplication:
100x + -1900 + y = 7

Reorder the terms:
-1900 + 100x + y = 7

Solving
-1900 + 100x + y = 7

Solving for variable 'x'.

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

Add '1900' to each side of the equation.
-1900 + 100x + 1900 + y = 7 + 1900

Reorder the terms:
-1900 + 1900 + 100x + y = 7 + 1900

Combine like terms: -1900 + 1900 = 0
0 + 100x + y = 7 + 1900
100x + y = 7 + 1900

Combine like terms: 7 + 1900 = 1907
100x + y = 1907

Add '-1y' to each side of the equation.
100x + y + -1y = 1907 + -1y

Combine like terms: y + -1y = 0
100x + 0 = 1907 + -1y
100x = 1907 + -1y

Divide each side by '100'.
x = 19.07 + -0.01y

Simplifying
x = 19.07 + -0.01y

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