10-4(y+7)=2(1-y)

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Solution for 10-4(y+7)=2(1-y) equation:


Simplifying
10 + -4(y + 7) = 2(1 + -1y)

Reorder the terms:
10 + -4(7 + y) = 2(1 + -1y)
10 + (7 * -4 + y * -4) = 2(1 + -1y)
10 + (-28 + -4y) = 2(1 + -1y)

Combine like terms: 10 + -28 = -18
-18 + -4y = 2(1 + -1y)
-18 + -4y = (1 * 2 + -1y * 2)
-18 + -4y = (2 + -2y)

Solving
-18 + -4y = 2 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-18 + -4y + 2y = 2 + -2y + 2y

Combine like terms: -4y + 2y = -2y
-18 + -2y = 2 + -2y + 2y

Combine like terms: -2y + 2y = 0
-18 + -2y = 2 + 0
-18 + -2y = 2

Add '18' to each side of the equation.
-18 + 18 + -2y = 2 + 18

Combine like terms: -18 + 18 = 0
0 + -2y = 2 + 18
-2y = 2 + 18

Combine like terms: 2 + 18 = 20
-2y = 20

Divide each side by '-2'.
y = -10

Simplifying
y = -10

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