7+2y-4=6y-8y-9

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Solution for 7+2y-4=6y-8y-9 equation:


Simplifying
7 + 2y + -4 = 6y + -8y + -9

Reorder the terms:
7 + -4 + 2y = 6y + -8y + -9

Combine like terms: 7 + -4 = 3
3 + 2y = 6y + -8y + -9

Reorder the terms:
3 + 2y = -9 + 6y + -8y

Combine like terms: 6y + -8y = -2y
3 + 2y = -9 + -2y

Solving
3 + 2y = -9 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
3 + 2y + 2y = -9 + -2y + 2y

Combine like terms: 2y + 2y = 4y
3 + 4y = -9 + -2y + 2y

Combine like terms: -2y + 2y = 0
3 + 4y = -9 + 0
3 + 4y = -9

Add '-3' to each side of the equation.
3 + -3 + 4y = -9 + -3

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

Combine like terms: -9 + -3 = -12
4y = -12

Divide each side by '4'.
y = -3

Simplifying
y = -3

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