4-(y+9)=10

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Solution for 4-(y+9)=10 equation: 


Simplifying
4 + -1(y + 9) = 10

Reorder the terms:
4 + -1(9 + y) = 10
4 + (9 * -1 + y * -1) = 10
4 + (-9 + -1y) = 10

Combine like terms: 4 + -9 = -5
-5 + -1y = 10

Solving
-5 + -1y = 10

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + -1y = 10 + 5

Combine like terms: -5 + 5 = 0
0 + -1y = 10 + 5
-1y = 10 + 5

Combine like terms: 10 + 5 = 15
-1y = 15

Divide each side by '-1'.
y = -15

Simplifying
y = -15

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