4y+y+9=18

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Solution for 4y+y+9=18 equation: 


Simplifying
4y + y + 9 = 18

Reorder the terms:
9 + 4y + y = 18

Combine like terms: 4y + y = 5y
9 + 5y = 18

Solving
9 + 5y = 18

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + 5y = 18 + -9

Combine like terms: 9 + -9 = 0
0 + 5y = 18 + -9
5y = 18 + -9

Combine like terms: 18 + -9 = 9
5y = 9

Divide each side by '5'.
y = 1.8

Simplifying
y = 1.8

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