7+18y-1=9y+20-5y

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Solution for 7+18y-1=9y+20-5y equation:


Simplifying
7 + 18y + -1 = 9y + 20 + -5y

Reorder the terms:
7 + -1 + 18y = 9y + 20 + -5y

Combine like terms: 7 + -1 = 6
6 + 18y = 9y + 20 + -5y

Reorder the terms:
6 + 18y = 20 + 9y + -5y

Combine like terms: 9y + -5y = 4y
6 + 18y = 20 + 4y

Solving
6 + 18y = 20 + 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.
6 + 18y + -4y = 20 + 4y + -4y

Combine like terms: 18y + -4y = 14y
6 + 14y = 20 + 4y + -4y

Combine like terms: 4y + -4y = 0
6 + 14y = 20 + 0
6 + 14y = 20

Add '-6' to each side of the equation.
6 + -6 + 14y = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 14y = 20 + -6
14y = 20 + -6

Combine like terms: 20 + -6 = 14
14y = 14

Divide each side by '14'.
y = 1

Simplifying
y = 1

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