9y-8+4y=20+7y-4

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Solution for 9y-8+4y=20+7y-4 equation:


Simplifying
9y + -8 + 4y = 20 + 7y + -4

Reorder the terms:
-8 + 9y + 4y = 20 + 7y + -4

Combine like terms: 9y + 4y = 13y
-8 + 13y = 20 + 7y + -4

Reorder the terms:
-8 + 13y = 20 + -4 + 7y

Combine like terms: 20 + -4 = 16
-8 + 13y = 16 + 7y

Solving
-8 + 13y = 16 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-8 + 13y + -7y = 16 + 7y + -7y

Combine like terms: 13y + -7y = 6y
-8 + 6y = 16 + 7y + -7y

Combine like terms: 7y + -7y = 0
-8 + 6y = 16 + 0
-8 + 6y = 16

Add '8' to each side of the equation.
-8 + 8 + 6y = 16 + 8

Combine like terms: -8 + 8 = 0
0 + 6y = 16 + 8
6y = 16 + 8

Combine like terms: 16 + 8 = 24
6y = 24

Divide each side by '6'.
y = 4

Simplifying
y = 4

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