9y-3=7(y-1)

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Solution for 9y-3=7(y-1) equation:


Simplifying
9y + -3 = 7(y + -1)

Reorder the terms:
-3 + 9y = 7(y + -1)

Reorder the terms:
-3 + 9y = 7(-1 + y)
-3 + 9y = (-1 * 7 + y * 7)
-3 + 9y = (-7 + 7y)

Solving
-3 + 9y = -7 + 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.
-3 + 9y + -7y = -7 + 7y + -7y

Combine like terms: 9y + -7y = 2y
-3 + 2y = -7 + 7y + -7y

Combine like terms: 7y + -7y = 0
-3 + 2y = -7 + 0
-3 + 2y = -7

Add '3' to each side of the equation.
-3 + 3 + 2y = -7 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = -7 + 3
2y = -7 + 3

Combine like terms: -7 + 3 = -4
2y = -4

Divide each side by '2'.
y = -2

Simplifying
y = -2

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