4*(19-x)+10*(19-y)=100

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Solution for 4*(19-x)+10*(19-y)=100 equation:


Simplifying
4(19 + -1x) + 10(19 + -1y) = 100
(19 * 4 + -1x * 4) + 10(19 + -1y) = 100
(76 + -4x) + 10(19 + -1y) = 100
76 + -4x + (19 * 10 + -1y * 10) = 100
76 + -4x + (190 + -10y) = 100

Reorder the terms:
76 + 190 + -4x + -10y = 100

Combine like terms: 76 + 190 = 266
266 + -4x + -10y = 100

Solving
266 + -4x + -10y = 100

Solving for variable 'x'.

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

Add '-266' to each side of the equation.
266 + -4x + -266 + -10y = 100 + -266

Reorder the terms:
266 + -266 + -4x + -10y = 100 + -266

Combine like terms: 266 + -266 = 0
0 + -4x + -10y = 100 + -266
-4x + -10y = 100 + -266

Combine like terms: 100 + -266 = -166
-4x + -10y = -166

Add '10y' to each side of the equation.
-4x + -10y + 10y = -166 + 10y

Combine like terms: -10y + 10y = 0
-4x + 0 = -166 + 10y
-4x = -166 + 10y

Divide each side by '-4'.
x = 41.5 + -2.5y

Simplifying
x = 41.5 + -2.5y

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