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Simplifying
15x2 + 16 = 211
Reorder the terms:
16 + 15x2 = 211
Solving
16 + 15x2 = 211
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-16' to each side of the equation.
16 + -16 + 15x2 = 211 + -16
Combine like terms: 16 + -16 = 0
0 + 15x2 = 211 + -16
15x2 = 211 + -16
Combine like terms: 211 + -16 = 195
15x2 = 195
Divide each side by '15'.
x2 = 13
Simplifying
x2 = 13
Take the square root of each side:
x = {-3.605551275, 3.605551275}
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