30=-10(y-4)

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Solution for 30=-10(y-4) equation: 


Simplifying
30 = -10(y + -4)

Reorder the terms:
30 = -10(-4 + y)
30 = (-4 * -10 + y * -10)
30 = (40 + -10y)

Solving
30 = 40 + -10y

Solving for variable 'y'.

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

Add '10y' to each side of the equation.
30 + 10y = 40 + -10y + 10y

Combine like terms: -10y + 10y = 0
30 + 10y = 40 + 0
30 + 10y = 40

Add '-30' to each side of the equation.
30 + -30 + 10y = 40 + -30

Combine like terms: 30 + -30 = 0
0 + 10y = 40 + -30
10y = 40 + -30

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

Divide each side by '10'.
y = 1

Simplifying
y = 1

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