20y-7=-1y+(-2y-12)

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Solution for 20y-7=-1y+(-2y-12) equation:


Simplifying
20y + -7 = -1y + (-2y + -12)

Reorder the terms:
-7 + 20y = -1y + (-2y + -12)

Reorder the terms:
-7 + 20y = -1y + (-12 + -2y)

Remove parenthesis around (-12 + -2y)
-7 + 20y = -1y + -12 + -2y

Reorder the terms:
-7 + 20y = -12 + -1y + -2y

Combine like terms: -1y + -2y = -3y
-7 + 20y = -12 + -3y

Solving
-7 + 20y = -12 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-7 + 20y + 3y = -12 + -3y + 3y

Combine like terms: 20y + 3y = 23y
-7 + 23y = -12 + -3y + 3y

Combine like terms: -3y + 3y = 0
-7 + 23y = -12 + 0
-7 + 23y = -12

Add '7' to each side of the equation.
-7 + 7 + 23y = -12 + 7

Combine like terms: -7 + 7 = 0
0 + 23y = -12 + 7
23y = -12 + 7

Combine like terms: -12 + 7 = -5
23y = -5

Divide each side by '23'.
y = -0.2173913043

Simplifying
y = -0.2173913043

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