9x-2(x+6)=30

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Solution for 9x-2(x+6)=30 equation:


Simplifying
9x + -2(x + 6) = 30

Reorder the terms:
9x + -2(6 + x) = 30
9x + (6 * -2 + x * -2) = 30
9x + (-12 + -2x) = 30

Reorder the terms:
-12 + 9x + -2x = 30

Combine like terms: 9x + -2x = 7x
-12 + 7x = 30

Solving
-12 + 7x = 30

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 7x = 30 + 12

Combine like terms: -12 + 12 = 0
0 + 7x = 30 + 12
7x = 30 + 12

Combine like terms: 30 + 12 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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