3(7y+4)=-4(y+2)

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Solution for 3(7y+4)=-4(y+2) equation:


Simplifying
3(7y + 4) = -4(y + 2)

Reorder the terms:
3(4 + 7y) = -4(y + 2)
(4 * 3 + 7y * 3) = -4(y + 2)
(12 + 21y) = -4(y + 2)

Reorder the terms:
12 + 21y = -4(2 + y)
12 + 21y = (2 * -4 + y * -4)
12 + 21y = (-8 + -4y)

Solving
12 + 21y = -8 + -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.
12 + 21y + 4y = -8 + -4y + 4y

Combine like terms: 21y + 4y = 25y
12 + 25y = -8 + -4y + 4y

Combine like terms: -4y + 4y = 0
12 + 25y = -8 + 0
12 + 25y = -8

Add '-12' to each side of the equation.
12 + -12 + 25y = -8 + -12

Combine like terms: 12 + -12 = 0
0 + 25y = -8 + -12
25y = -8 + -12

Combine like terms: -8 + -12 = -20
25y = -20

Divide each side by '25'.
y = -0.8

Simplifying
y = -0.8

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