3(x+2x)-6=30

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Solution for 3(x+2x)-6=30 equation:


Simplifying
3(x + 2x) + -6 = 30

Combine like terms: x + 2x = 3x
3(3x) + -6 = 30

Remove parenthesis around (3x)
3 * 3x + -6 = 30

Multiply 3 * 3
9x + -6 = 30

Reorder the terms:
-6 + 9x = 30

Solving
-6 + 9x = 30

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 9x = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 9x = 30 + 6
9x = 30 + 6

Combine like terms: 30 + 6 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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