-1-2=13y-7-12y

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Solution for -1-2=13y-7-12y equation:


Simplifying
-1 + -2 = 13y + -7 + -12y

Combine like terms: -1 + -2 = -3
-3 = 13y + -7 + -12y

Reorder the terms:
-3 = -7 + 13y + -12y

Combine like terms: 13y + -12y = 1y
-3 = -7 + 1y

Solving
-3 = -7 + 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.
-3 + -1y = -7 + 1y + -1y

Combine like terms: 1y + -1y = 0
-3 + -1y = -7 + 0
-3 + -1y = -7

Add '3' to each side of the equation.
-3 + 3 + -1y = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = -7 + 3
-1y = -7 + 3

Combine like terms: -7 + 3 = -4
-1y = -4

Divide each side by '-1'.
y = 4

Simplifying
y = 4

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