5(x+2x)=5(x+18)

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Solution for 5(x+2x)=5(x+18) equation:


Simplifying
5(x + 2x) = 5(x + 18)

Combine like terms: x + 2x = 3x
5(3x) = 5(x + 18)

Remove parenthesis around (3x)
5 * 3x = 5(x + 18)

Multiply 5 * 3
15x = 5(x + 18)

Reorder the terms:
15x = 5(18 + x)
15x = (18 * 5 + x * 5)
15x = (90 + 5x)

Solving
15x = 90 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
15x + -5x = 90 + 5x + -5x

Combine like terms: 15x + -5x = 10x
10x = 90 + 5x + -5x

Combine like terms: 5x + -5x = 0
10x = 90 + 0
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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