-y-7=-9-4y

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Solution for -y-7=-9-4y equation:


Simplifying
-1y + -7 = -9 + -4y

Reorder the terms:
-7 + -1y = -9 + -4y

Solving
-7 + -1y = -9 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-7 + -1y + 4y = -9 + -4y + 4y

Combine like terms: -1y + 4y = 3y
-7 + 3y = -9 + -4y + 4y

Combine like terms: -4y + 4y = 0
-7 + 3y = -9 + 0
-7 + 3y = -9

Add '7' to each side of the equation.
-7 + 7 + 3y = -9 + 7

Combine like terms: -7 + 7 = 0
0 + 3y = -9 + 7
3y = -9 + 7

Combine like terms: -9 + 7 = -2
3y = -2

Divide each side by '3'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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