8y-3y-21=46

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Solution for 8y-3y-21=46 equation:


Simplifying
8y + -3y + -21 = 46

Reorder the terms:
-21 + 8y + -3y = 46

Combine like terms: 8y + -3y = 5y
-21 + 5y = 46

Solving
-21 + 5y = 46

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 5y = 46 + 21

Combine like terms: -21 + 21 = 0
0 + 5y = 46 + 21
5y = 46 + 21

Combine like terms: 46 + 21 = 67
5y = 67

Divide each side by '5'.
y = 13.4

Simplifying
y = 13.4

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