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

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


Simplifying
2(6y + -7) + -1(7y + 7) = 0

Reorder the terms:
2(-7 + 6y) + -1(7y + 7) = 0
(-7 * 2 + 6y * 2) + -1(7y + 7) = 0
(-14 + 12y) + -1(7y + 7) = 0

Reorder the terms:
-14 + 12y + -1(7 + 7y) = 0
-14 + 12y + (7 * -1 + 7y * -1) = 0
-14 + 12y + (-7 + -7y) = 0

Reorder the terms:
-14 + -7 + 12y + -7y = 0

Combine like terms: -14 + -7 = -21
-21 + 12y + -7y = 0

Combine like terms: 12y + -7y = 5y
-21 + 5y = 0

Solving
-21 + 5y = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 5y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 5y = 0 + 21
5y = 0 + 21

Combine like terms: 0 + 21 = 21
5y = 21

Divide each side by '5'.
y = 4.2

Simplifying
y = 4.2

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