5(4.5+0.5y)-2=18

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Solution for 5(4.5+0.5y)-2=18 equation: 


Simplifying
5(4.5 + 0.5y) + -2 = 18
(4.5 * 5 + 0.5y * 5) + -2 = 18
(22.5 + 2.5y) + -2 = 18

Reorder the terms:
22.5 + -2 + 2.5y = 18

Combine like terms: 22.5 + -2 = 20.5
20.5 + 2.5y = 18

Solving
20.5 + 2.5y = 18

Solving for variable 'y'.

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

Add '-20.5' to each side of the equation.
20.5 + -20.5 + 2.5y = 18 + -20.5

Combine like terms: 20.5 + -20.5 = 0.0
0.0 + 2.5y = 18 + -20.5
2.5y = 18 + -20.5

Combine like terms: 18 + -20.5 = -2.5
2.5y = -2.5

Divide each side by '2.5'.
y = -1

Simplifying
y = -1

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