(100-x)+(40-0.5x)=y

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Solution for (100-x)+(40-0.5x)=y equation:


Simplifying
(100 + -1x) + (40 + -0.5x) = y

Remove parenthesis around (100 + -1x)
100 + -1x + (40 + -0.5x) = y

Remove parenthesis around (40 + -0.5x)
100 + -1x + 40 + -0.5x = y

Reorder the terms:
100 + 40 + -1x + -0.5x = y

Combine like terms: 100 + 40 = 140
140 + -1x + -0.5x = y

Combine like terms: -1x + -0.5x = -1.5x
140 + -1.5x = y

Solving
140 + -1.5x = y

Solving for variable 'x'.

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

Add '-140' to each side of the equation.
140 + -140 + -1.5x = -140 + y

Combine like terms: 140 + -140 = 0
0 + -1.5x = -140 + y
-1.5x = -140 + y

Divide each side by '-1.5'.
x = 93.33333333 + -0.6666666667y

Simplifying
x = 93.33333333 + -0.6666666667y

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