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Simplifying
0.50x2 + -12 = 18
Reorder the terms:
-12 + 0.50x2 = 18
Solving
-12 + 0.50x2 = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '12' to each side of the equation.
-12 + 12 + 0.50x2 = 18 + 12
Combine like terms: -12 + 12 = 0
0 + 0.50x2 = 18 + 12
0.50x2 = 18 + 12
Combine like terms: 18 + 12 = 30
0.50x2 = 30
Divide each side by '0.50'.
x2 = 60
Simplifying
x2 = 60
Take the square root of each side:
x = {-7.745966692, 7.745966692}
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