15=-10(4-y)

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Solution for 15=-10(4-y) equation:


Simplifying
15 = -10(4 + -1y)
15 = (4 * -10 + -1y * -10)
15 = (-40 + 10y)

Solving
15 = -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.
15 + -10y = -40 + 10y + -10y

Combine like terms: 10y + -10y = 0
15 + -10y = -40 + 0
15 + -10y = -40

Add '-15' to each side of the equation.
15 + -15 + -10y = -40 + -15

Combine like terms: 15 + -15 = 0
0 + -10y = -40 + -15
-10y = -40 + -15

Combine like terms: -40 + -15 = -55
-10y = -55

Divide each side by '-10'.
y = 5.5

Simplifying
y = 5.5

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