6x+3[x-14]=30

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Solution for 6x+3[x-14]=30 equation:


Simplifying
6x + 3[x + -14] = 30

Reorder the terms:
6x + 3[-14 + x] = 30
6x + [-14 * 3 + x * 3] = 30
6x + [-42 + 3x] = 30

Reorder the terms:
-42 + 6x + 3x = 30

Combine like terms: 6x + 3x = 9x
-42 + 9x = 30

Solving
-42 + 9x = 30

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 9x = 30 + 42

Combine like terms: -42 + 42 = 0
0 + 9x = 30 + 42
9x = 30 + 42

Combine like terms: 30 + 42 = 72
9x = 72

Divide each side by '9'.
x = 8

Simplifying
x = 8

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