9(9x+5)=9(10x+8)

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Solution for 9(9x+5)=9(10x+8) equation:


Simplifying
9(9x + 5) = 9(10x + 8)

Reorder the terms:
9(5 + 9x) = 9(10x + 8)
(5 * 9 + 9x * 9) = 9(10x + 8)
(45 + 81x) = 9(10x + 8)

Reorder the terms:
45 + 81x = 9(8 + 10x)
45 + 81x = (8 * 9 + 10x * 9)
45 + 81x = (72 + 90x)

Solving
45 + 81x = 72 + 90x

Solving for variable 'x'.

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

Add '-90x' to each side of the equation.
45 + 81x + -90x = 72 + 90x + -90x

Combine like terms: 81x + -90x = -9x
45 + -9x = 72 + 90x + -90x

Combine like terms: 90x + -90x = 0
45 + -9x = 72 + 0
45 + -9x = 72

Add '-45' to each side of the equation.
45 + -45 + -9x = 72 + -45

Combine like terms: 45 + -45 = 0
0 + -9x = 72 + -45
-9x = 72 + -45

Combine like terms: 72 + -45 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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