6x+3(x-20)=489

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Solution for 6x+3(x-20)=489 equation:


Simplifying
6x + 3(x + -20) = 489

Reorder the terms:
6x + 3(-20 + x) = 489
6x + (-20 * 3 + x * 3) = 489
6x + (-60 + 3x) = 489

Reorder the terms:
-60 + 6x + 3x = 489

Combine like terms: 6x + 3x = 9x
-60 + 9x = 489

Solving
-60 + 9x = 489

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 9x = 489 + 60

Combine like terms: -60 + 60 = 0
0 + 9x = 489 + 60
9x = 489 + 60

Combine like terms: 489 + 60 = 549
9x = 549

Divide each side by '9'.
x = 61

Simplifying
x = 61

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