-4y+9(5y-4)=5+1(-7-y)

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Solution for -4y+9(5y-4)=5+1(-7-y) equation:


Simplifying
-4y + 9(5y + -4) = 5 + 1(-7 + -1y)

Reorder the terms:
-4y + 9(-4 + 5y) = 5 + 1(-7 + -1y)
-4y + (-4 * 9 + 5y * 9) = 5 + 1(-7 + -1y)
-4y + (-36 + 45y) = 5 + 1(-7 + -1y)

Reorder the terms:
-36 + -4y + 45y = 5 + 1(-7 + -1y)

Combine like terms: -4y + 45y = 41y
-36 + 41y = 5 + 1(-7 + -1y)
-36 + 41y = 5 + (-7 * 1 + -1y * 1)
-36 + 41y = 5 + (-7 + -1y)

Combine like terms: 5 + -7 = -2
-36 + 41y = -2 + -1y

Solving
-36 + 41y = -2 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-36 + 41y + y = -2 + -1y + y

Combine like terms: 41y + y = 42y
-36 + 42y = -2 + -1y + y

Combine like terms: -1y + y = 0
-36 + 42y = -2 + 0
-36 + 42y = -2

Add '36' to each side of the equation.
-36 + 36 + 42y = -2 + 36

Combine like terms: -36 + 36 = 0
0 + 42y = -2 + 36
42y = -2 + 36

Combine like terms: -2 + 36 = 34
42y = 34

Divide each side by '42'.
y = 0.8095238095

Simplifying
y = 0.8095238095

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