21y+8=-34

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Solution for 21y+8=-34 equation: 


Simplifying
21y + 8 = -34

Reorder the terms:
8 + 21y = -34

Solving
8 + 21y = -34

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + 21y = -34 + -8

Combine like terms: 8 + -8 = 0
0 + 21y = -34 + -8
21y = -34 + -8

Combine like terms: -34 + -8 = -42
21y = -42

Divide each side by '21'.
y = -2

Simplifying
y = -2

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