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Simplifying
25n2 + -7 = -3
Reorder the terms:
-7 + 25n2 = -3
Solving
-7 + 25n2 = -3
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 25n2 = -3 + 7
Combine like terms: -7 + 7 = 0
0 + 25n2 = -3 + 7
25n2 = -3 + 7
Combine like terms: -3 + 7 = 4
25n2 = 4
Divide each side by '25'.
n2 = 0.16
Simplifying
n2 = 0.16
Take the square root of each side:
n = {-0.4, 0.4}
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