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

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


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

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

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

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

Combine like terms: -6 + -7 = -13
8 + 6y = -13 + 9y

Solving
8 + 6y = -13 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
8 + 6y + -9y = -13 + 9y + -9y

Combine like terms: 6y + -9y = -3y
8 + -3y = -13 + 9y + -9y

Combine like terms: 9y + -9y = 0
8 + -3y = -13 + 0
8 + -3y = -13

Add '-8' to each side of the equation.
8 + -8 + -3y = -13 + -8

Combine like terms: 8 + -8 = 0
0 + -3y = -13 + -8
-3y = -13 + -8

Combine like terms: -13 + -8 = -21
-3y = -21

Divide each side by '-3'.
y = 7

Simplifying
y = 7

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