(2*-4)-(2y)=17

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Solution for (2*-4)-(2y)=17 equation:


Simplifying
(2 * -4) + -1(2y) = 17

Multiply 2 * -4
(-8) + -1(2y) = 17
-8 + -1(2y) = 17

Remove parenthesis around (2y)
-8 + -1 * 2y = 17

Multiply -1 * 2
-8 + -2y = 17

Solving
-8 + -2y = 17

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + -2y = 17 + 8

Combine like terms: -8 + 8 = 0
0 + -2y = 17 + 8
-2y = 17 + 8

Combine like terms: 17 + 8 = 25
-2y = 25

Divide each side by '-2'.
y = -12.5

Simplifying
y = -12.5

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