9-3(-5y-7)=5(-4y+1)+1

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Solution for 9-3(-5y-7)=5(-4y+1)+1 equation:


Simplifying
9 + -3(-5y + -7) = 5(-4y + 1) + 1

Reorder the terms:
9 + -3(-7 + -5y) = 5(-4y + 1) + 1
9 + (-7 * -3 + -5y * -3) = 5(-4y + 1) + 1
9 + (21 + 15y) = 5(-4y + 1) + 1

Combine like terms: 9 + 21 = 30
30 + 15y = 5(-4y + 1) + 1

Reorder the terms:
30 + 15y = 5(1 + -4y) + 1
30 + 15y = (1 * 5 + -4y * 5) + 1
30 + 15y = (5 + -20y) + 1

Reorder the terms:
30 + 15y = 5 + 1 + -20y

Combine like terms: 5 + 1 = 6
30 + 15y = 6 + -20y

Solving
30 + 15y = 6 + -20y

Solving for variable 'y'.

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

Add '20y' to each side of the equation.
30 + 15y + 20y = 6 + -20y + 20y

Combine like terms: 15y + 20y = 35y
30 + 35y = 6 + -20y + 20y

Combine like terms: -20y + 20y = 0
30 + 35y = 6 + 0
30 + 35y = 6

Add '-30' to each side of the equation.
30 + -30 + 35y = 6 + -30

Combine like terms: 30 + -30 = 0
0 + 35y = 6 + -30
35y = 6 + -30

Combine like terms: 6 + -30 = -24
35y = -24

Divide each side by '35'.
y = -0.6857142857

Simplifying
y = -0.6857142857

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