8y-4=3(y+7)

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


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

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

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

Solving
-4 + 8y = 21 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-4 + 8y + -3y = 21 + 3y + -3y

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

Combine like terms: 3y + -3y = 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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