13y-3=8y+42

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Solution for 13y-3=8y+42 equation:


Simplifying
13y + -3 = 8y + 42

Reorder the terms:
-3 + 13y = 8y + 42

Reorder the terms:
-3 + 13y = 42 + 8y

Solving
-3 + 13y = 42 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-3 + 13y + -8y = 42 + 8y + -8y

Combine like terms: 13y + -8y = 5y
-3 + 5y = 42 + 8y + -8y

Combine like terms: 8y + -8y = 0
-3 + 5y = 42 + 0
-3 + 5y = 42

Add '3' to each side of the equation.
-3 + 3 + 5y = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 5y = 42 + 3
5y = 42 + 3

Combine like terms: 42 + 3 = 45
5y = 45

Divide each side by '5'.
y = 9

Simplifying
y = 9

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