7(y+9)=6y-9

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Solution for 7(y+9)=6y-9 equation:


Simplifying
7(y + 9) = 6y + -9

Reorder the terms:
7(9 + y) = 6y + -9
(9 * 7 + y * 7) = 6y + -9
(63 + 7y) = 6y + -9

Reorder the terms:
63 + 7y = -9 + 6y

Solving
63 + 7y = -9 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
63 + 7y + -6y = -9 + 6y + -6y

Combine like terms: 7y + -6y = 1y
63 + 1y = -9 + 6y + -6y

Combine like terms: 6y + -6y = 0
63 + 1y = -9 + 0
63 + 1y = -9

Add '-63' to each side of the equation.
63 + -63 + 1y = -9 + -63

Combine like terms: 63 + -63 = 0
0 + 1y = -9 + -63
1y = -9 + -63

Combine like terms: -9 + -63 = -72
1y = -72

Divide each side by '1'.
y = -72

Simplifying
y = -72

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