3x+6(x-5)=42

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Solution for 3x+6(x-5)=42 equation:


Simplifying
3x + 6(x + -5) = 42

Reorder the terms:
3x + 6(-5 + x) = 42
3x + (-5 * 6 + x * 6) = 42
3x + (-30 + 6x) = 42

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

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

Solving
-30 + 9x = 42

Solving for variable 'x'.

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

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

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

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

Divide each side by '9'.
x = 8

Simplifying
x = 8

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