10y-18=9y-11

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Solution for 10y-18=9y-11 equation:


Simplifying
10y + -18 = 9y + -11

Reorder the terms:
-18 + 10y = 9y + -11

Reorder the terms:
-18 + 10y = -11 + 9y

Solving
-18 + 10y = -11 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-18 + 10y + -9y = -11 + 9y + -9y

Combine like terms: 10y + -9y = 1y
-18 + 1y = -11 + 9y + -9y

Combine like terms: 9y + -9y = 0
-18 + 1y = -11 + 0
-18 + 1y = -11

Add '18' to each side of the equation.
-18 + 18 + 1y = -11 + 18

Combine like terms: -18 + 18 = 0
0 + 1y = -11 + 18
1y = -11 + 18

Combine like terms: -11 + 18 = 7
1y = 7

Divide each side by '1'.
y = 7

Simplifying
y = 7

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