51=7(-1+2y)+2

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Solution for 51=7(-1+2y)+2 equation:


Simplifying
51 = 7(-1 + 2y) + 2
51 = (-1 * 7 + 2y * 7) + 2
51 = (-7 + 14y) + 2

Reorder the terms:
51 = -7 + 2 + 14y

Combine like terms: -7 + 2 = -5
51 = -5 + 14y

Solving
51 = -5 + 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.
51 + -14y = -5 + 14y + -14y

Combine like terms: 14y + -14y = 0
51 + -14y = -5 + 0
51 + -14y = -5

Add '-51' to each side of the equation.
51 + -51 + -14y = -5 + -51

Combine like terms: 51 + -51 = 0
0 + -14y = -5 + -51
-14y = -5 + -51

Combine like terms: -5 + -51 = -56
-14y = -56

Divide each side by '-14'.
y = 4

Simplifying
y = 4

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