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Simplifying
x2 + 1.5 = 80
Reorder the terms:
1.5 + x2 = 80
Solving
1.5 + x2 = 80
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1.5' to each side of the equation.
1.5 + -1.5 + x2 = 80 + -1.5
Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x2 = 80 + -1.5
x2 = 80 + -1.5
Combine like terms: 80 + -1.5 = 78.5
x2 = 78.5
Simplifying
x2 = 78.5
Take the square root of each side:
x = {-8.860022573, 8.860022573}
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