15=y-(-4)+2

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Solution for 15=y-(-4)+2 equation:


Simplifying
15 = y + -1(-4) + 2

Multiply -1 * -4
15 = y + 4 + 2

Reorder the terms:
15 = 4 + 2 + y

Combine like terms: 4 + 2 = 6
15 = 6 + y

Solving
15 = 6 + 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.
15 + -1y = 6 + y + -1y

Combine like terms: y + -1y = 0
15 + -1y = 6 + 0
15 + -1y = 6

Add '-15' to each side of the equation.
15 + -15 + -1y = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -1y = 6 + -15
-1y = 6 + -15

Combine like terms: 6 + -15 = -9
-1y = -9

Divide each side by '-1'.
y = 9

Simplifying
y = 9

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