(X-0.5y)-(7x+2y)=

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Solution for (X-0.5y)-(7x+2y)= equation: 


Simplifying
(X + -0.5y) + -1(7x + 2y) = 0

Remove parenthesis around (X + -0.5y)
X + -0.5y + -1(7x + 2y) = 0
X + -0.5y + (7x * -1 + 2y * -1) = 0
X + -0.5y + (-7x + -2y) = 0

Reorder the terms:
X + -7x + -0.5y + -2y = 0

Combine like terms: -0.5y + -2y = -2.5y
X + -7x + -2.5y = 0

Solving
X + -7x + -2.5y = 0

Solving for variable 'X'.

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

Add '7x' to each side of the equation.
X + -7x + 7x + -2.5y = 0 + 7x

Combine like terms: -7x + 7x = 0
X + 0 + -2.5y = 0 + 7x
X + -2.5y = 0 + 7x
Remove the zero:
X + -2.5y = 7x

Add '2.5y' to each side of the equation.
X + -2.5y + 2.5y = 7x + 2.5y

Combine like terms: -2.5y + 2.5y = 0.0
X + 0.0 = 7x + 2.5y
X = 7x + 2.5y

Simplifying
X = 7x + 2.5y

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