(5x)-9=2(x+6)

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Solution for (5x)-9=2(x+6) equation:


Simplifying
(5x) + -9 = 2(x + 6)

Reorder the terms:
-9 + (5x) = 2(x + 6)

Reorder the terms:
-9 + (5x) = 2(6 + x)
-9 + (5x) = (6 * 2 + x * 2)
-9 + (5x) = (12 + 2x)

Solving
-9 + (5x) = 12 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-9 + (5x) + -2x = 12 + 2x + -2x

Combine like terms: (5x) + -2x = 3x
-9 + 3x = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + 3x = 12 + 0
-9 + 3x = 12

Add '9' to each side of the equation.
-9 + 9 + 3x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 12 + 9
3x = 12 + 9

Combine like terms: 12 + 9 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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