10y-y+20-18=0

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Solution for 10y-y+20-18=0 equation:


Simplifying
10y + -1y + 20 + -18 = 0

Reorder the terms:
20 + -18 + 10y + -1y = 0

Combine like terms: 20 + -18 = 2
2 + 10y + -1y = 0

Combine like terms: 10y + -1y = 9y
2 + 9y = 0

Solving
2 + 9y = 0

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 9y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 9y = 0 + -2
9y = 0 + -2

Combine like terms: 0 + -2 = -2
9y = -2

Divide each side by '9'.
y = -0.2222222222

Simplifying
y = -0.2222222222

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