3y-y+8=-18

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Solution for 3y-y+8=-18 equation:


Simplifying
3y + -1y + 8 = -18

Reorder the terms:
8 + 3y + -1y = -18

Combine like terms: 3y + -1y = 2y
8 + 2y = -18

Solving
8 + 2y = -18

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 + 2y = -18 + -8

Combine like terms: 8 + -8 = 0
0 + 2y = -18 + -8
2y = -18 + -8

Combine like terms: -18 + -8 = -26
2y = -26

Divide each side by '2'.
y = -13

Simplifying
y = -13

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