5(x-9)=4(x+9)

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Solution for 5(x-9)=4(x+9) equation:


Simplifying
5(x + -9) = 4(x + 9)

Reorder the terms:
5(-9 + x) = 4(x + 9)
(-9 * 5 + x * 5) = 4(x + 9)
(-45 + 5x) = 4(x + 9)

Reorder the terms:
-45 + 5x = 4(9 + x)
-45 + 5x = (9 * 4 + x * 4)
-45 + 5x = (36 + 4x)

Solving
-45 + 5x = 36 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-45 + 5x + -4x = 36 + 4x + -4x

Combine like terms: 5x + -4x = 1x
-45 + 1x = 36 + 4x + -4x

Combine like terms: 4x + -4x = 0
-45 + 1x = 36 + 0
-45 + 1x = 36

Add '45' to each side of the equation.
-45 + 45 + 1x = 36 + 45

Combine like terms: -45 + 45 = 0
0 + 1x = 36 + 45
1x = 36 + 45

Combine like terms: 36 + 45 = 81
1x = 81

Divide each side by '1'.
x = 81

Simplifying
x = 81

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