5[8-y]=30

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Solution for 5[8-y]=30 equation: 


Simplifying
5[8 + -1y] = 30
[8 * 5 + -1y * 5] = 30
[40 + -5y] = 30

Solving
40 + -5y = 30

Solving for variable 'y'.

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

Add '-40' to each side of the equation.
40 + -40 + -5y = 30 + -40

Combine like terms: 40 + -40 = 0
0 + -5y = 30 + -40
-5y = 30 + -40

Combine like terms: 30 + -40 = -10
-5y = -10

Divide each side by '-5'.
y = 2

Simplifying
y = 2

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