7y-13=8

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Solution for 7y-13=8 equation: 


Simplifying
7y + -13 = 8

Reorder the terms:
-13 + 7y = 8

Solving
-13 + 7y = 8

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 7y = 8 + 13

Combine like terms: -13 + 13 = 0
0 + 7y = 8 + 13
7y = 8 + 13

Combine like terms: 8 + 13 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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