5x+2(x-4)=9

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Solution for 5x+2(x-4)=9 equation:


Simplifying
5x + 2(x + -4) = 9

Reorder the terms:
5x + 2(-4 + x) = 9
5x + (-4 * 2 + x * 2) = 9
5x + (-8 + 2x) = 9

Reorder the terms:
-8 + 5x + 2x = 9

Combine like terms: 5x + 2x = 7x
-8 + 7x = 9

Solving
-8 + 7x = 9

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 7x = 9 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = 9 + 8
7x = 9 + 8

Combine like terms: 9 + 8 = 17
7x = 17

Divide each side by '7'.
x = 2.428571429

Simplifying
x = 2.428571429

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