9-(-8)=y

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Solution for 9-(-8)=y equation:


Simplifying
9 + -1(-8) = y

Multiply -1 * -8
9 + 8 = y

Combine like terms: 9 + 8 = 17
17 = y

Solving
17 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
17 + -1y = y + -1y

Combine like terms: y + -1y = 0
17 + -1y = 0

Add '-17' to each side of the equation.
17 + -17 + -1y = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -1y = 0 + -17
-1y = 0 + -17

Combine like terms: 0 + -17 = -17
-1y = -17

Divide each side by '-1'.
y = 17

Simplifying
y = 17

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