7-10u^2=1

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Solution for 7-10u^2=1 equation: 


Simplifying
7 + -10u2 = 1

Solving
7 + -10u2 = 1

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -10u2 = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -10u2 = 1 + -7
-10u2 = 1 + -7

Combine like terms: 1 + -7 = -6
-10u2 = -6

Divide each side by '-10'.
u2 = 0.6

Simplifying
u2 = 0.6

Take the square root of each side:
u = {-0.774596669, 0.774596669}

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