3x-9=18(x+6)

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Solution for 3x-9=18(x+6) equation:


Simplifying
3x + -9 = 18(x + 6)

Reorder the terms:
-9 + 3x = 18(x + 6)

Reorder the terms:
-9 + 3x = 18(6 + x)
-9 + 3x = (6 * 18 + x * 18)
-9 + 3x = (108 + 18x)

Solving
-9 + 3x = 108 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-9 + 3x + -18x = 108 + 18x + -18x

Combine like terms: 3x + -18x = -15x
-9 + -15x = 108 + 18x + -18x

Combine like terms: 18x + -18x = 0
-9 + -15x = 108 + 0
-9 + -15x = 108

Add '9' to each side of the equation.
-9 + 9 + -15x = 108 + 9

Combine like terms: -9 + 9 = 0
0 + -15x = 108 + 9
-15x = 108 + 9

Combine like terms: 108 + 9 = 117
-15x = 117

Divide each side by '-15'.
x = -7.8

Simplifying
x = -7.8

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