1-3(-y+6)=7(-y+2)-1

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Solution for 1-3(-y+6)=7(-y+2)-1 equation:


Simplifying
1 + -3(-1y + 6) = 7(-1y + 2) + -1

Reorder the terms:
1 + -3(6 + -1y) = 7(-1y + 2) + -1
1 + (6 * -3 + -1y * -3) = 7(-1y + 2) + -1
1 + (-18 + 3y) = 7(-1y + 2) + -1

Combine like terms: 1 + -18 = -17
-17 + 3y = 7(-1y + 2) + -1

Reorder the terms:
-17 + 3y = 7(2 + -1y) + -1
-17 + 3y = (2 * 7 + -1y * 7) + -1
-17 + 3y = (14 + -7y) + -1

Reorder the terms:
-17 + 3y = 14 + -1 + -7y

Combine like terms: 14 + -1 = 13
-17 + 3y = 13 + -7y

Solving
-17 + 3y = 13 + -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.
-17 + 3y + 7y = 13 + -7y + 7y

Combine like terms: 3y + 7y = 10y
-17 + 10y = 13 + -7y + 7y

Combine like terms: -7y + 7y = 0
-17 + 10y = 13 + 0
-17 + 10y = 13

Add '17' to each side of the equation.
-17 + 17 + 10y = 13 + 17

Combine like terms: -17 + 17 = 0
0 + 10y = 13 + 17
10y = 13 + 17

Combine like terms: 13 + 17 = 30
10y = 30

Divide each side by '10'.
y = 3

Simplifying
y = 3

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