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

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


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

Reorder the terms:
2y + -4(-2 + y) = y + -7
2y + (-2 * -4 + y * -4) = y + -7
2y + (8 + -4y) = y + -7

Reorder the terms:
8 + 2y + -4y = y + -7

Combine like terms: 2y + -4y = -2y
8 + -2y = y + -7

Reorder the terms:
8 + -2y = -7 + y

Solving
8 + -2y = -7 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
8 + -2y + -1y = -7 + y + -1y

Combine like terms: -2y + -1y = -3y
8 + -3y = -7 + y + -1y

Combine like terms: y + -1y = 0
8 + -3y = -7 + 0
8 + -3y = -7

Add '-8' to each side of the equation.
8 + -8 + -3y = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -3y = -7 + -8
-3y = -7 + -8

Combine like terms: -7 + -8 = -15
-3y = -15

Divide each side by '-3'.
y = 5

Simplifying
y = 5

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