9(x+9)=10(x-3)

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Solution for 9(x+9)=10(x-3) equation:


Simplifying
9(x + 9) = 10(x + -3)

Reorder the terms:
9(9 + x) = 10(x + -3)
(9 * 9 + x * 9) = 10(x + -3)
(81 + 9x) = 10(x + -3)

Reorder the terms:
81 + 9x = 10(-3 + x)
81 + 9x = (-3 * 10 + x * 10)
81 + 9x = (-30 + 10x)

Solving
81 + 9x = -30 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
81 + 9x + -10x = -30 + 10x + -10x

Combine like terms: 9x + -10x = -1x
81 + -1x = -30 + 10x + -10x

Combine like terms: 10x + -10x = 0
81 + -1x = -30 + 0
81 + -1x = -30

Add '-81' to each side of the equation.
81 + -81 + -1x = -30 + -81

Combine like terms: 81 + -81 = 0
0 + -1x = -30 + -81
-1x = -30 + -81

Combine like terms: -30 + -81 = -111
-1x = -111

Divide each side by '-1'.
x = 111

Simplifying
x = 111

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