21y+18=-13

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Solution for 21y+18=-13 equation: 


Simplifying
21y + 18 = -13

Reorder the terms:
18 + 21y = -13

Solving
18 + 21y = -13

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + 21y = -13 + -18

Combine like terms: 18 + -18 = 0
0 + 21y = -13 + -18
21y = -13 + -18

Combine like terms: -13 + -18 = -31
21y = -31

Divide each side by '21'.
y = -1.476190476

Simplifying
y = -1.476190476

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