(y-4)=7(2y+1)

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Solution for (y-4)=7(2y+1) equation:


Simplifying
(y + -4) = 7(2y + 1)

Reorder the terms:
(-4 + y) = 7(2y + 1)

Remove parenthesis around (-4 + y)
-4 + y = 7(2y + 1)

Reorder the terms:
-4 + y = 7(1 + 2y)
-4 + y = (1 * 7 + 2y * 7)
-4 + y = (7 + 14y)

Solving
-4 + y = 7 + 14y

Solving for variable 'y'.

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

Add '-14y' to each side of the equation.
-4 + y + -14y = 7 + 14y + -14y

Combine like terms: y + -14y = -13y
-4 + -13y = 7 + 14y + -14y

Combine like terms: 14y + -14y = 0
-4 + -13y = 7 + 0
-4 + -13y = 7

Add '4' to each side of the equation.
-4 + 4 + -13y = 7 + 4

Combine like terms: -4 + 4 = 0
0 + -13y = 7 + 4
-13y = 7 + 4

Combine like terms: 7 + 4 = 11
-13y = 11

Divide each side by '-13'.
y = -0.8461538462

Simplifying
y = -0.8461538462

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