18-(-4y)=8

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Solution for 18-(-4y)=8 equation:


Simplifying
18 + -1(-4y) = 8

Remove parenthesis around (-4y)
18 + -1 * -4y = 8

Multiply -1 * -4
18 + 4y = 8

Solving
18 + 4y = 8

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + 4y = 8 + -18

Combine like terms: 18 + -18 = 0
0 + 4y = 8 + -18
4y = 8 + -18

Combine like terms: 8 + -18 = -10
4y = -10

Divide each side by '4'.
y = -2.5

Simplifying
y = -2.5

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