-4y-7(7y-9)=4-2(3-y)

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Solution for -4y-7(7y-9)=4-2(3-y) equation:


Simplifying
-4y + -7(7y + -9) = 4 + -2(3 + -1y)

Reorder the terms:
-4y + -7(-9 + 7y) = 4 + -2(3 + -1y)
-4y + (-9 * -7 + 7y * -7) = 4 + -2(3 + -1y)
-4y + (63 + -49y) = 4 + -2(3 + -1y)

Reorder the terms:
63 + -4y + -49y = 4 + -2(3 + -1y)

Combine like terms: -4y + -49y = -53y
63 + -53y = 4 + -2(3 + -1y)
63 + -53y = 4 + (3 * -2 + -1y * -2)
63 + -53y = 4 + (-6 + 2y)

Combine like terms: 4 + -6 = -2
63 + -53y = -2 + 2y

Solving
63 + -53y = -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.
63 + -53y + -2y = -2 + 2y + -2y

Combine like terms: -53y + -2y = -55y
63 + -55y = -2 + 2y + -2y

Combine like terms: 2y + -2y = 0
63 + -55y = -2 + 0
63 + -55y = -2

Add '-63' to each side of the equation.
63 + -63 + -55y = -2 + -63

Combine like terms: 63 + -63 = 0
0 + -55y = -2 + -63
-55y = -2 + -63

Combine like terms: -2 + -63 = -65
-55y = -65

Divide each side by '-55'.
y = 1.181818182

Simplifying
y = 1.181818182

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