18-3y=7-.5y

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Solution for 18-3y=7-.5y equation:


Simplifying
18 + -3y = 7 + -0.5y

Solving
18 + -3y = 7 + -0.5y

Solving for variable 'y'.

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

Add '0.5y' to each side of the equation.
18 + -3y + 0.5y = 7 + -0.5y + 0.5y

Combine like terms: -3y + 0.5y = -2.5y
18 + -2.5y = 7 + -0.5y + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
18 + -2.5y = 7 + 0.0
18 + -2.5y = 7

Add '-18' to each side of the equation.
18 + -18 + -2.5y = 7 + -18

Combine like terms: 18 + -18 = 0
0 + -2.5y = 7 + -18
-2.5y = 7 + -18

Combine like terms: 7 + -18 = -11
-2.5y = -11

Divide each side by '-2.5'.
y = 4.4

Simplifying
y = 4.4

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