15y-40=30

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Solution for 15y-40=30 equation: 


Simplifying
15y + -40 = 30

Reorder the terms:
-40 + 15y = 30

Solving
-40 + 15y = 30

Solving for variable 'y'.

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

Add '40' to each side of the equation.
-40 + 40 + 15y = 30 + 40

Combine like terms: -40 + 40 = 0
0 + 15y = 30 + 40
15y = 30 + 40

Combine like terms: 30 + 40 = 70
15y = 70

Divide each side by '15'.
y = 4.666666667

Simplifying
y = 4.666666667

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