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Simplifying
-5 + 3x2 = 22
Solving
-5 + 3x2 = 22
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 3x2 = 22 + 5
Combine like terms: -5 + 5 = 0
0 + 3x2 = 22 + 5
3x2 = 22 + 5
Combine like terms: 22 + 5 = 27
3x2 = 27
Divide each side by '3'.
x2 = 9
Simplifying
x2 = 9
Take the square root of each side:
x = {-3, 3}
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