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Simplifying
6x2 + 3 = 387
Reorder the terms:
3 + 6x2 = 387
Solving
3 + 6x2 = 387
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 6x2 = 387 + -3
Combine like terms: 3 + -3 = 0
0 + 6x2 = 387 + -3
6x2 = 387 + -3
Combine like terms: 387 + -3 = 384
6x2 = 384
Divide each side by '6'.
x2 = 64
Simplifying
x2 = 64
Take the square root of each side:
x = {-8, 8}
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