-10=5-(7-y)

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Solution for -10=5-(7-y) equation:


Simplifying
-10 = 5 + -1(7 + -1y)
-10 = 5 + (7 * -1 + -1y * -1)
-10 = 5 + (-7 + 1y)

Combine like terms: 5 + -7 = -2
-10 = -2 + 1y

Solving
-10 = -2 + 1y

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.
-10 + -1y = -2 + 1y + -1y

Combine like terms: 1y + -1y = 0
-10 + -1y = -2 + 0
-10 + -1y = -2

Add '10' to each side of the equation.
-10 + 10 + -1y = -2 + 10

Combine like terms: -10 + 10 = 0
0 + -1y = -2 + 10
-1y = -2 + 10

Combine like terms: -2 + 10 = 8
-1y = 8

Divide each side by '-1'.
y = -8

Simplifying
y = -8

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