3(13+7y)-5y=23

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Solution for 3(13+7y)-5y=23 equation: 


Simplifying
3(13 + 7y) + -5y = 23
(13 * 3 + 7y * 3) + -5y = 23
(39 + 21y) + -5y = 23

Combine like terms: 21y + -5y = 16y
39 + 16y = 23

Solving
39 + 16y = 23

Solving for variable 'y'.

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

Add '-39' to each side of the equation.
39 + -39 + 16y = 23 + -39

Combine like terms: 39 + -39 = 0
0 + 16y = 23 + -39
16y = 23 + -39

Combine like terms: 23 + -39 = -16
16y = -16

Divide each side by '16'.
y = -1

Simplifying
y = -1

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