3[4(9-2)]=x

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Solution for 3[4(9-2)]=x equation:


Simplifying
3[4(9 + -2)] = x

Combine like terms: 9 + -2 = 7
3[4(7)] = x

Multiply 4 * 7
3[28] = x

Multiply 3 * 28
84 = x

Solving
84 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
84 + -1x = x + -1x

Combine like terms: x + -1x = 0
84 + -1x = 0

Add '-84' to each side of the equation.
84 + -84 + -1x = 0 + -84

Combine like terms: 84 + -84 = 0
0 + -1x = 0 + -84
-1x = 0 + -84

Combine like terms: 0 + -84 = -84
-1x = -84

Divide each side by '-1'.
x = 84

Simplifying
x = 84

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