4=-8y+3(y-7)

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Solution for 4=-8y+3(y-7) equation:


Simplifying
4 = -8y + 3(y + -7)

Reorder the terms:
4 = -8y + 3(-7 + y)
4 = -8y + (-7 * 3 + y * 3)
4 = -8y + (-21 + 3y)

Reorder the terms:
4 = -21 + -8y + 3y

Combine like terms: -8y + 3y = -5y
4 = -21 + -5y

Solving
4 = -21 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
4 + 5y = -21 + -5y + 5y

Combine like terms: -5y + 5y = 0
4 + 5y = -21 + 0
4 + 5y = -21

Add '-4' to each side of the equation.
4 + -4 + 5y = -21 + -4

Combine like terms: 4 + -4 = 0
0 + 5y = -21 + -4
5y = -21 + -4

Combine like terms: -21 + -4 = -25
5y = -25

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

Simplifying
y = -5

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