-1(y-3)=10

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Solution for -1(y-3)=10 equation: 


Simplifying
-1(y + -3) = 10

Reorder the terms:
-1(-3 + y) = 10
(-3 * -1 + y * -1) = 10
(3 + -1y) = 10

Solving
3 + -1y = 10

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + -1y = 10 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = 10 + -3
-1y = 10 + -3

Combine like terms: 10 + -3 = 7
-1y = 7

Divide each side by '-1'.
y = -7

Simplifying
y = -7

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