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Simplifying
49x2 + -7 = 9
Reorder the terms:
-7 + 49x2 = 9
Solving
-7 + 49x2 = 9
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 49x2 = 9 + 7
Combine like terms: -7 + 7 = 0
0 + 49x2 = 9 + 7
49x2 = 9 + 7
Combine like terms: 9 + 7 = 16
49x2 = 16
Divide each side by '49'.
x2 = 0.3265306122
Simplifying
x2 = 0.3265306122
Take the square root of each side:
x = {-0.571428571, 0.571428571}
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