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

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


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

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

Combine like terms: 21y + -4y = 17y
-21 + 17y = 7(y + -5) + -1

Reorder the terms:
-21 + 17y = 7(-5 + y) + -1
-21 + 17y = (-5 * 7 + y * 7) + -1
-21 + 17y = (-35 + 7y) + -1

Reorder the terms:
-21 + 17y = -35 + -1 + 7y

Combine like terms: -35 + -1 = -36
-21 + 17y = -36 + 7y

Solving
-21 + 17y = -36 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-21 + 17y + -7y = -36 + 7y + -7y

Combine like terms: 17y + -7y = 10y
-21 + 10y = -36 + 7y + -7y

Combine like terms: 7y + -7y = 0
-21 + 10y = -36 + 0
-21 + 10y = -36

Add '21' to each side of the equation.
-21 + 21 + 10y = -36 + 21

Combine like terms: -21 + 21 = 0
0 + 10y = -36 + 21
10y = -36 + 21

Combine like terms: -36 + 21 = -15
10y = -15

Divide each side by '10'.
y = -1.5

Simplifying
y = -1.5

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