7+13y-5=9y+18-4y

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Solution for 7+13y-5=9y+18-4y equation:


Simplifying
7 + 13y + -5 = 9y + 18 + -4y

Reorder the terms:
7 + -5 + 13y = 9y + 18 + -4y

Combine like terms: 7 + -5 = 2
2 + 13y = 9y + 18 + -4y

Reorder the terms:
2 + 13y = 18 + 9y + -4y

Combine like terms: 9y + -4y = 5y
2 + 13y = 18 + 5y

Solving
2 + 13y = 18 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
2 + 13y + -5y = 18 + 5y + -5y

Combine like terms: 13y + -5y = 8y
2 + 8y = 18 + 5y + -5y

Combine like terms: 5y + -5y = 0
2 + 8y = 18 + 0
2 + 8y = 18

Add '-2' to each side of the equation.
2 + -2 + 8y = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 8y = 18 + -2
8y = 18 + -2

Combine like terms: 18 + -2 = 16
8y = 16

Divide each side by '8'.
y = 2

Simplifying
y = 2

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