5y-3(y-7)=6(y+1)-4

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Solution for 5y-3(y-7)=6(y+1)-4 equation:


Simplifying
5y + -3(y + -7) = 6(y + 1) + -4

Reorder the terms:
5y + -3(-7 + y) = 6(y + 1) + -4
5y + (-7 * -3 + y * -3) = 6(y + 1) + -4
5y + (21 + -3y) = 6(y + 1) + -4

Reorder the terms:
21 + 5y + -3y = 6(y + 1) + -4

Combine like terms: 5y + -3y = 2y
21 + 2y = 6(y + 1) + -4

Reorder the terms:
21 + 2y = 6(1 + y) + -4
21 + 2y = (1 * 6 + y * 6) + -4
21 + 2y = (6 + 6y) + -4

Reorder the terms:
21 + 2y = 6 + -4 + 6y

Combine like terms: 6 + -4 = 2
21 + 2y = 2 + 6y

Solving
21 + 2y = 2 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
21 + 2y + -6y = 2 + 6y + -6y

Combine like terms: 2y + -6y = -4y
21 + -4y = 2 + 6y + -6y

Combine like terms: 6y + -6y = 0
21 + -4y = 2 + 0
21 + -4y = 2

Add '-21' to each side of the equation.
21 + -21 + -4y = 2 + -21

Combine like terms: 21 + -21 = 0
0 + -4y = 2 + -21
-4y = 2 + -21

Combine like terms: 2 + -21 = -19
-4y = -19

Divide each side by '-4'.
y = 4.75

Simplifying
y = 4.75

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