-3+y=7(2y-1)

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Solution for -3+y=7(2y-1) equation:


Simplifying
-3 + y = 7(2y + -1)

Reorder the terms:
-3 + y = 7(-1 + 2y)
-3 + y = (-1 * 7 + 2y * 7)
-3 + y = (-7 + 14y)

Solving
-3 + 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.
-3 + y + -14y = -7 + 14y + -14y

Combine like terms: y + -14y = -13y
-3 + -13y = -7 + 14y + -14y

Combine like terms: 14y + -14y = 0
-3 + -13y = -7 + 0
-3 + -13y = -7

Add '3' to each side of the equation.
-3 + 3 + -13y = -7 + 3

Combine like terms: -3 + 3 = 0
0 + -13y = -7 + 3
-13y = -7 + 3

Combine like terms: -7 + 3 = -4
-13y = -4

Divide each side by '-13'.
y = 0.3076923077

Simplifying
y = 0.3076923077

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