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Simplifying
-1 = -7x2
Solving
-1 = -7x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7x2' to each side of the equation.
-1 + 7x2 = -7x2 + 7x2
Combine like terms: -7x2 + 7x2 = 0
-1 + 7x2 = 0
Add '1' to each side of the equation.
-1 + 1 + 7x2 = 0 + 1
Combine like terms: -1 + 1 = 0
0 + 7x2 = 0 + 1
7x2 = 0 + 1
Combine like terms: 0 + 1 = 1
7x2 = 1
Divide each side by '7'.
x2 = 0.1428571429
Simplifying
x2 = 0.1428571429
Take the square root of each side:
x = {-0.377964473, 0.377964473}
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