9X-2(3X+4)=121

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Solution for 9X-2(3X+4)=121 equation:


Simplifying
9X + -2(3X + 4) = 121

Reorder the terms:
9X + -2(4 + 3X) = 121
9X + (4 * -2 + 3X * -2) = 121
9X + (-8 + -6X) = 121

Reorder the terms:
-8 + 9X + -6X = 121

Combine like terms: 9X + -6X = 3X
-8 + 3X = 121

Solving
-8 + 3X = 121

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + 3X = 121 + 8

Combine like terms: -8 + 8 = 0
0 + 3X = 121 + 8
3X = 121 + 8

Combine like terms: 121 + 8 = 129
3X = 129

Divide each side by '3'.
X = 43

Simplifying
X = 43

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