-2y-42=-4(y+7)

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Solution for -2y-42=-4(y+7) equation:


Simplifying
-2y + -42 = -4(y + 7)

Reorder the terms:
-42 + -2y = -4(y + 7)

Reorder the terms:
-42 + -2y = -4(7 + y)
-42 + -2y = (7 * -4 + y * -4)
-42 + -2y = (-28 + -4y)

Solving
-42 + -2y = -28 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-42 + -2y + 4y = -28 + -4y + 4y

Combine like terms: -2y + 4y = 2y
-42 + 2y = -28 + -4y + 4y

Combine like terms: -4y + 4y = 0
-42 + 2y = -28 + 0
-42 + 2y = -28

Add '42' to each side of the equation.
-42 + 42 + 2y = -28 + 42

Combine like terms: -42 + 42 = 0
0 + 2y = -28 + 42
2y = -28 + 42

Combine like terms: -28 + 42 = 14
2y = 14

Divide each side by '2'.
y = 7

Simplifying
y = 7

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