5x+3(x-3)=9

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Solution for 5x+3(x-3)=9 equation:


Simplifying
5x + 3(x + -3) = 9

Reorder the terms:
5x + 3(-3 + x) = 9
5x + (-3 * 3 + x * 3) = 9
5x + (-9 + 3x) = 9

Reorder the terms:
-9 + 5x + 3x = 9

Combine like terms: 5x + 3x = 8x
-9 + 8x = 9

Solving
-9 + 8x = 9

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 8x = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 9 + 9
8x = 9 + 9

Combine like terms: 9 + 9 = 18
8x = 18

Divide each side by '8'.
x = 2.25

Simplifying
x = 2.25

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