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Simplifying
7x2 + -9 = 33
Reorder the terms:
-9 + 7x2 = 33
Solving
-9 + 7x2 = 33
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 7x2 = 33 + 9
Combine like terms: -9 + 9 = 0
0 + 7x2 = 33 + 9
7x2 = 33 + 9
Combine like terms: 33 + 9 = 42
7x2 = 42
Divide each side by '7'.
x2 = 6
Simplifying
x2 = 6
Take the square root of each side:
x = {-2.449489743, 2.449489743}
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