9-5(x+2x)=54

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Solution for 9-5(x+2x)=54 equation:


Simplifying
9 + -5(x + 2x) = 54

Combine like terms: x + 2x = 3x
9 + -5(3x) = 54

Remove parenthesis around (3x)
9 + -5 * 3x = 54

Multiply -5 * 3
9 + -15x = 54

Solving
9 + -15x = 54

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 + -15x = 54 + -9

Combine like terms: 9 + -9 = 0
0 + -15x = 54 + -9
-15x = 54 + -9

Combine like terms: 54 + -9 = 45
-15x = 45

Divide each side by '-15'.
x = -3

Simplifying
x = -3

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