3(y+5)+2=8y+42

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Solution for 3(y+5)+2=8y+42 equation:


Simplifying
3(y + 5) + 2 = 8y + 42

Reorder the terms:
3(5 + y) + 2 = 8y + 42
(5 * 3 + y * 3) + 2 = 8y + 42
(15 + 3y) + 2 = 8y + 42

Reorder the terms:
15 + 2 + 3y = 8y + 42

Combine like terms: 15 + 2 = 17
17 + 3y = 8y + 42

Reorder the terms:
17 + 3y = 42 + 8y

Solving
17 + 3y = 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.
17 + 3y + -8y = 42 + 8y + -8y

Combine like terms: 3y + -8y = -5y
17 + -5y = 42 + 8y + -8y

Combine like terms: 8y + -8y = 0
17 + -5y = 42 + 0
17 + -5y = 42

Add '-17' to each side of the equation.
17 + -17 + -5y = 42 + -17

Combine like terms: 17 + -17 = 0
0 + -5y = 42 + -17
-5y = 42 + -17

Combine like terms: 42 + -17 = 25
-5y = 25

Divide each side by '-5'.
y = -5

Simplifying
y = -5

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