-9(9x+9)=10(10x+10)

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Solution for -9(9x+9)=10(10x+10) equation:


Simplifying
-9(9x + 9) = 10(10x + 10)

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

Reorder the terms:
-81 + -81x = 10(10 + 10x)
-81 + -81x = (10 * 10 + 10x * 10)
-81 + -81x = (100 + 100x)

Solving
-81 + -81x = 100 + 100x

Solving for variable 'x'.

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

Add '-100x' to each side of the equation.
-81 + -81x + -100x = 100 + 100x + -100x

Combine like terms: -81x + -100x = -181x
-81 + -181x = 100 + 100x + -100x

Combine like terms: 100x + -100x = 0
-81 + -181x = 100 + 0
-81 + -181x = 100

Add '81' to each side of the equation.
-81 + 81 + -181x = 100 + 81

Combine like terms: -81 + 81 = 0
0 + -181x = 100 + 81
-181x = 100 + 81

Combine like terms: 100 + 81 = 181
-181x = 181

Divide each side by '-181'.
x = -1

Simplifying
x = -1

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