-(7x+2y-e)+(-2x+4y+e)=

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Solution for -(7x+2y-e)+(-2x+4y+e)= equation:


Simplifying
-1(7x + 2y + -1e) + (-2x + 4y + e) = 0

Reorder the terms:
-1(-1e + 7x + 2y) + (-2x + 4y + e) = 0
(-1e * -1 + 7x * -1 + 2y * -1) + (-2x + 4y + e) = 0
(1e + -7x + -2y) + (-2x + 4y + e) = 0

Reorder the terms:
1e + -7x + -2y + (e + -2x + 4y) = 0

Remove parenthesis around (e + -2x + 4y)
1e + -7x + -2y + e + -2x + 4y = 0

Reorder the terms:
1e + e + -7x + -2x + -2y + 4y = 0

Combine like terms: 1e + e = 2e
2e + -7x + -2x + -2y + 4y = 0

Combine like terms: -7x + -2x = -9x
2e + -9x + -2y + 4y = 0

Combine like terms: -2y + 4y = 2y
2e + -9x + 2y = 0

Solving
2e + -9x + 2y = 0

Solving for variable 'e'.

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

Add '9x' to each side of the equation.
2e + -9x + 9x + 2y = 0 + 9x

Combine like terms: -9x + 9x = 0
2e + 0 + 2y = 0 + 9x
2e + 2y = 0 + 9x
Remove the zero:
2e + 2y = 9x

Add '-2y' to each side of the equation.
2e + 2y + -2y = 9x + -2y

Combine like terms: 2y + -2y = 0
2e + 0 = 9x + -2y
2e = 9x + -2y

Divide each side by '2'.
e = 4.5x + -1y

Simplifying
e = 4.5x + -1y

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