(7y+7)-(3+6y)=8

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Solution for (7y+7)-(3+6y)=8 equation:


Simplifying
(7y + 7) + -1(3 + 6y) = 8

Reorder the terms:
(7 + 7y) + -1(3 + 6y) = 8

Remove parenthesis around (7 + 7y)
7 + 7y + -1(3 + 6y) = 8
7 + 7y + (3 * -1 + 6y * -1) = 8
7 + 7y + (-3 + -6y) = 8

Reorder the terms:
7 + -3 + 7y + -6y = 8

Combine like terms: 7 + -3 = 4
4 + 7y + -6y = 8

Combine like terms: 7y + -6y = 1y
4 + 1y = 8

Solving
4 + 1y = 8

Solving for variable 'y'.

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

Add '-4' to each side of the equation.
4 + -4 + 1y = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 1y = 8 + -4
1y = 8 + -4

Combine like terms: 8 + -4 = 4
1y = 4

Divide each side by '1'.
y = 4

Simplifying
y = 4

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