7y-9+4y-6=-8y+13+12y

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Solution for 7y-9+4y-6=-8y+13+12y equation:


Simplifying
7y + -9 + 4y + -6 = -8y + 13 + 12y

Reorder the terms:
-9 + -6 + 7y + 4y = -8y + 13 + 12y

Combine like terms: -9 + -6 = -15
-15 + 7y + 4y = -8y + 13 + 12y

Combine like terms: 7y + 4y = 11y
-15 + 11y = -8y + 13 + 12y

Reorder the terms:
-15 + 11y = 13 + -8y + 12y

Combine like terms: -8y + 12y = 4y
-15 + 11y = 13 + 4y

Solving
-15 + 11y = 13 + 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.
-15 + 11y + -4y = 13 + 4y + -4y

Combine like terms: 11y + -4y = 7y
-15 + 7y = 13 + 4y + -4y

Combine like terms: 4y + -4y = 0
-15 + 7y = 13 + 0
-15 + 7y = 13

Add '15' to each side of the equation.
-15 + 15 + 7y = 13 + 15

Combine like terms: -15 + 15 = 0
0 + 7y = 13 + 15
7y = 13 + 15

Combine like terms: 13 + 15 = 28
7y = 28

Divide each side by '7'.
y = 4

Simplifying
y = 4

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