7(y+3)=9y+23

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Solution for 7(y+3)=9y+23 equation:


Simplifying
7(y + 3) = 9y + 23

Reorder the terms:
7(3 + y) = 9y + 23
(3 * 7 + y * 7) = 9y + 23
(21 + 7y) = 9y + 23

Reorder the terms:
21 + 7y = 23 + 9y

Solving
21 + 7y = 23 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
21 + 7y + -9y = 23 + 9y + -9y

Combine like terms: 7y + -9y = -2y
21 + -2y = 23 + 9y + -9y

Combine like terms: 9y + -9y = 0
21 + -2y = 23 + 0
21 + -2y = 23

Add '-21' to each side of the equation.
21 + -21 + -2y = 23 + -21

Combine like terms: 21 + -21 = 0
0 + -2y = 23 + -21
-2y = 23 + -21

Combine like terms: 23 + -21 = 2
-2y = 2

Divide each side by '-2'.
y = -1

Simplifying
y = -1

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