9(y-9)=10y-4

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Solution for 9(y-9)=10y-4 equation:


Simplifying
9(y + -9) = 10y + -4

Reorder the terms:
9(-9 + y) = 10y + -4
(-9 * 9 + y * 9) = 10y + -4
(-81 + 9y) = 10y + -4

Reorder the terms:
-81 + 9y = -4 + 10y

Solving
-81 + 9y = -4 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-81 + 9y + -10y = -4 + 10y + -10y

Combine like terms: 9y + -10y = -1y
-81 + -1y = -4 + 10y + -10y

Combine like terms: 10y + -10y = 0
-81 + -1y = -4 + 0
-81 + -1y = -4

Add '81' to each side of the equation.
-81 + 81 + -1y = -4 + 81

Combine like terms: -81 + 81 = 0
0 + -1y = -4 + 81
-1y = -4 + 81

Combine like terms: -4 + 81 = 77
-1y = 77

Divide each side by '-1'.
y = -77

Simplifying
y = -77

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