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Simplifying
5x2 + -15 = 49
Reorder the terms:
-15 + 5x2 = 49
Solving
-15 + 5x2 = 49
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '15' to each side of the equation.
-15 + 15 + 5x2 = 49 + 15
Combine like terms: -15 + 15 = 0
0 + 5x2 = 49 + 15
5x2 = 49 + 15
Combine like terms: 49 + 15 = 64
5x2 = 64
Divide each side by '5'.
x2 = 12.8
Simplifying
x2 = 12.8
Take the square root of each side:
x = {-3.577708764, 3.577708764}
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