5(x+8)-7x=9

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Solution for 5(x+8)-7x=9 equation:


Simplifying
5(x + 8) + -7x = 9

Reorder the terms:
5(8 + x) + -7x = 9
(8 * 5 + x * 5) + -7x = 9
(40 + 5x) + -7x = 9

Combine like terms: 5x + -7x = -2x
40 + -2x = 9

Solving
40 + -2x = 9

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -2x = 9 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = 9 + -40
-2x = 9 + -40

Combine like terms: 9 + -40 = -31
-2x = -31

Divide each side by '-2'.
x = 15.5

Simplifying
x = 15.5

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