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Simplifying
15x2 + -13 = 8
Reorder the terms:
-13 + 15x2 = 8
Solving
-13 + 15x2 = 8
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '13' to each side of the equation.
-13 + 13 + 15x2 = 8 + 13
Combine like terms: -13 + 13 = 0
0 + 15x2 = 8 + 13
15x2 = 8 + 13
Combine like terms: 8 + 13 = 21
15x2 = 21
Divide each side by '15'.
x2 = 1.4
Simplifying
x2 = 1.4
Take the square root of each side:
x = {-1.183215957, 1.183215957}
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